Green Steel Revolution: Fueling India's 2070 Net-Zero Ambition and Industrial Growth

By Stock Market - Admin | January 15, 2026
News Thumbnail

Table of Contents

    This initiative is crucial as India progresses towards its 2070 net-zero target, highlighting the importance of reducing emissions from hard-to-abate sectors for Infrastructure development, industrial Growth, and long-term climate ambitions.

    Introduction

    India stands at a pivotal juncture in its economic trajectory, demonstrating robust growth while simultaneously committing to an ambitious net-zero emissions target by 2070. This dual imperative presents both unprecedented opportunities and significant challenges, particularly for industries deemed "hard-to-abate" – sectors like Steel, cement, and chemicals, which are foundational to Infrastructure Development and industrial Expansion but inherently carbon-intensive. Tata Steel, as one of the world’s leading steel producers and a cornerstone of India’s industrial landscape, is at the forefront of navigating this complex transition. The urgency of decarbonizing steelmaking is undeniable; steel production globally accounts for approximately 7-9% of total anthropogenic greenhouse gas emissions. For a rapidly developing nation like India, where steel demand is projected to surge in support of urbanization, industrialization, and a massive infrastructure push, addressing these emissions is not merely an environmental obligation but a strategic imperative for sustainable growth. The Indian government's commitment, articulated at COP26, to achieve net-zero by 2070, along with interim targets for Renewable Energy capacity addition and emissions intensity reduction, underscores a profound shift in national development strategy. Infrastructure projects, from high-speed rail networks to smart cities and industrial corridors, demand colossal quantities of steel. The National Infrastructure Pipeline (NIP) and initiatives like PM Gati Shakti, which aim for multi-modal connectivity infrastructure, project an Investment of over INR 111 lakh crore (approximately US$1.3 trillion) across various sectors by FY2025. This burgeoning demand for steel must, however, be met with increasingly sustainable production methods if India is to reconcile its economic aspirations with its climate goals. Tata Steel’s strategic initiatives in Green Steel technologies, Carbon Capture, utilization, and storage (CCUS), and energy efficiency are not just corporate responsibilities but critical enablers for India’s national agenda, positioning the company as a key architect of a greener, more resilient future. The journey to net-zero is arduous, demanding substantial capital investment, technological Innovation, and a supportive policy framework, yet it promises long-term competitive advantage and a cleaner industrial future for India.

    Recent Financial Performance

    Tata Steel’s recent Financial Performance reflects a landscape marked by both global economic Volatility and robust domestic demand, strategically positioning the company for its long-term decarbonization goals. In Q4 FY24, the company reported consolidated revenues of INR 58,687 crore and an adjusted EBITDA of INR 6,631 crore, with a Net Profit of INR 555 crore. While global operations, particularly in Europe, faced headwinds from Weak Demand, high energy costs, and the ongoing structural challenges of steel overcapacity, the India operations demonstrated remarkable resilience and Profitability. Tata Steel India reported an EBITDA of INR 8,272 crore in Q4 FY24, a significant contribution to the consolidated figures, driven by higher volumes and improved realizations. The company’s Indian operations achieved their highest ever quarterly Crude Steel Production of 5.38 million tonnes and deliveries of 5.42 million tonnes, underscoring the robust domestic demand fueled by government-led infrastructure spending and a burgeoning Manufacturing sector. Furthermore, the company has made substantial progress in its strategic projects. The expansion of Kalinganagar capacity to 8 MTPA is nearing completion, with the new hot strip mill and other facilities progressively stabilizing. This expansion is crucial for catering to India’s growing demand for advanced, value-added steel products, which typically command higher margins. The integration of Neelachal Ispat Nigam Limited (NINL) has also been a strategic success, with NINL achieving its highest ever quarterly crude steel production since Acquisition, signaling efficient operational turnaround and synergy realization. Financially, Tata Steel has prioritized deleveraging, reducing its Net Debt by INR 2,902 crore in Q4 FY24, bringing it down to INR 70,689 crore. This disciplined approach to Capital Allocation and Debt Management provides a stronger balance sheet to fund future Capital Expenditure, particularly for decarbonization initiatives. The company’s consolidated CAPEX for FY24 stood at INR 18,207 crore, with a significant portion allocated to India operations, emphasizing both growth and Sustainability projects. The strategic shift towards a more resilient balance sheet, coupled with robust performance in the high-growth Indian market, allows Tata Steel to commit substantial resources to research and development in green steel technologies, carbon capture, and energy efficiency, vital steps towards realizing its net-zero ambitions without compromising Financial Stability or market competitiveness.

    Market Trends and Industry Analysis

    The global Steel Industry is in a state of flux, grappling with Persistent challenges like overcapacity in certain regions, volatile raw material prices, and mounting pressure to decarbonize. However, the Indian market presents a stark contrast, characterized by robust demand drivers and significant growth potential. India’s per capita steel consumption, at approximately 87 kg, remains significantly below the global average of around 230 kg and even further from developed economies like China (over 600 kg). This gap signifies immense headroom for growth, particularly as India pursues its Economic Development agenda. The primary growth engines for steel demand in India are infrastructure development, Construction, Automotive manufacturing, and capital goods. The government's strong emphasis on 'Make in India' and substantial Investments in projects like the National Infrastructure Pipeline (NIP) and PM Gati Shakti are creating an unprecedented demand surge. For instance, the NIP projects an investment of approximately US$1.4 trillion across various sectors by 2025, a significant portion of which will translate directly into steel consumption. The Automotive Sector, despite some recent slowdowns, is poised for long-term growth, especially with the push for Electric Vehicles (EVs), which require high-strength, lightweight steels. Renewable energy projects, such as solar and wind farms, also contribute to steel demand for structures and components. Globally, the steel industry is witnessing a definitive shift towards 'green steel'. European and North American markets are increasingly demanding low-carbon steel, driven by stringent environmental regulations and consumer preferences. The impending Carbon Border Adjustment Mechanism (CBAM) in the European Union, which will impose a levy on carbon-intensive imports, is a clear signal of this global trend and will necessitate a fundamental transformation in steel production processes worldwide. Tata Steel, with its significant operations in Europe, is directly impacted by these Regulatory shifts and has been proactive in developing advanced technologies like HIsarna and CCUS to mitigate Carbon Emissions. Raw material dynamics continue to be a critical factor. Coking coal and iron ore prices have shown volatility influenced by geopolitical events, Supply Chain disruptions, and global demand fluctuations. While Tata Steel benefits from captive iron ore mines in India, ensuring a degree of cost stability, it remains exposed to coking coal price volatility, which is primarily imported. The push for green steel also entails a shift in raw material sourcing, potentially increasing demand for high-quality iron ore and scrap, and eventually, green hydrogen. The Competitive Landscape in India remains dynamic, with both established players and new entrants vying for Market Share. Tata Steel’s strategic advantage lies in its integrated operations, diverse product portfolio, strong brand Equity, and a proactive stance on sustainability. The company's focus on value-added products, such as automotive steels and special steels for infrastructure, allows it to capture higher margins and differentiate itself in a competitive market. As India aims to achieve a crude steel capacity of 300 million tonnes by 2030, from around 160 million tonnes currently, Tata Steel’s expansion plans and technological advancements will play a critical role in shaping the future of Sustainable Steel production in the nation.

    Sentiment Analysis of News Headlines

    A review of recent news headlines surrounding Tata Steel reveals a complex, yet largely positive, sentiment, reflecting investor and public confidence in the company’s strategic direction, particularly regarding its decarbonization efforts and strong domestic performance. While headlines occasionally acknowledge challenges in its European operations, the overwhelming narrative emphasizes resilience, strategic foresight, and a commitment to sustainability. Headlines frequently highlight Tata Steel’s proactive stance on green steel. Phrases such as "Tata Steel Unveils Ambitious Decarbonisation Roadmap for Indian Operations," "Pioneering Green Hydrogen Pilots for Steelmaking," and "Investing Heavily in Carbon Capture Technologies" consistently appear. These narratives build a perception of Tata Steel as a leader rather than a laggard in the global race to sustainable industrialization. This sentiment is particularly strong within the Indian context, where the company is seen as a key enabler of the nation's 2070 net-zero ambition. The market interprets these investments as long-term value creators, positioning Tata Steel favorably against competitors who may be slower to adapt. Furthermore, the strong performance of Tata Steel’s India operations frequently garners positive attention. Headlines like "Tata Steel India Records Robust Growth Amidst Infrastructure Boom" and "Highest Ever Quarterly Production for Indian Assets" reinforce the company's fundamental strength and ability to capitalize on domestic demand. This operational success in India often offsets the more cautious sentiment surrounding its European units, where headlines sometimes reflect "European Steel Producers Grapple with High Energy Costs" or "Tata Steel UK Pursues Restructuring Amid Market Headwinds." Despite these localized concerns, the overall sentiment remains buoyed by the strategic rationale behind consolidating European operations and the long-term vision for sustainable production. Investor Sentiment, as reflected in Financial News, often praises the company's disciplined approach to deleveraging and capital allocation. "Tata Steel’s Deleveraging Efforts Bolster Financial Stability" and "Strategic Capex Focused on Growth and Green Initiatives" indicate approval from the financial community regarding its balance sheet management and investment priorities. The market perceives the company as making prudent financial decisions that simultaneously support operational growth and future-proofing through decarbonization. In essence, the prevailing sentiment is one of cautious optimism. While the path to net-zero and Global Market dynamics present hurdles, Tata Steel is generally viewed as a well-managed entity making strategic, forward-looking decisions that align with both economic imperatives and environmental responsibilities. The consistent narrative is that Tata Steel is not just adapting to the future of steel but actively shaping it, particularly within India’s transformative journey towards a green Economy.

    Regulatory and Macro-Economic Factors

    Tata Steel operates within a dynamic regulatory and macro-economic environment, particularly shaped by India’s ambitious growth agenda and its commitment to climate action. These factors exert considerable influence on the company's operational strategies, investment decisions, and long-term viability. **Regulatory Factors:** India's regulatory landscape is rapidly evolving to align with its 2070 net-zero target. Key policies and frameworks directly impact the Steel Sector: 1. **National Steel Policy 2017**: This policy aims to achieve a crude steel capacity of 300 million tonnes (MT) by 2030-31, increasing per capita consumption to 160 kg. While primarily focused on growth, it implicitly requires sustainable production as the sector expands. Tata Steel's expansion at Kalinganagar aligns perfectly with this national aspiration. 2. **Energy Conservation (Amendment) Bill, 2022**: This landmark legislation introduces a carbon market and mandates the use of non-fossil sources. It empowers the central government to specify a carbon credit Trading scheme, potentially creating a Compliance market that will directly impact hard-to-abate sectors like steel. Companies like Tata Steel will need to invest in emissions reduction technologies to generate credits or face costs for excess emissions. 3. **Production-Linked Incentive (PLI) Schemes**: While not directly targeted at green steel in its initial phases, the PLI Scheme for specialty steel aims to boost domestic manufacturing of high-grade steel. Future iterations or new schemes could potentially incentivize low-carbon steel production, aiding companies in adopting advanced technologies. 4. **Green Hydrogen Policy**: India's push for green hydrogen, with a target of 5 MT production by 2030, is a crucial enabler for green steel. The policy offers incentives for green hydrogen production and consumption, which could significantly lower the cost of hydrogen-based direct reduced iron (DRI) processes, a key pathway for decarbonizing steel. Tata Steel's pilot projects involving hydrogen injection in blast furnaces or exploring green hydrogen for DRI would directly benefit from this policy. 5. **Environmental Clearances and Standards**: Increasingly stringent environmental impact assessments, emissions standards (e.g., for particulate matter, NOx, SOx), and water usage norms push steelmakers to invest in pollution control and resource efficiency. The 'Ease of Doing Business' initiatives, while simplifying processes, are simultaneously complemented by a stronger focus on environmental compliance. **Macro-Economic Factors:** India’s macro-economic trajectory provides a strong demand-side push for the steel sector: 1. **Robust GDP Growth**: India is projected to remain one of the fastest-growing major economies, with GDP growth rates consistently above 6-7%. This sustained growth fuels demand across all steel-intensive sectors. 2. **Infrastructure Spending**: The government's massive outlay on infrastructure development, including the National Infrastructure Pipeline (NIP) and the PM Gati Shakti National Master Plan, is a primary driver. These initiatives encompass roads, railways, ports, airports, and urban development, creating sustained demand for construction and structural steel. For instance, the Union Budget 2024-25 earmarked a capital expenditure of INR 11.11 lakh crore (US$133 billion), a significant portion of which flows into steel-intensive projects. 3. **Urbanization and Housing**: Rapid urbanization and government schemes promoting affordable housing (e.g., Pradhan Mantri Awas Yojana) continue to drive demand for steel in residential and commercial construction. 4. **Manufacturing Revival**: Initiatives like 'Make in India' and PLI schemes for various manufacturing sectors (automotive, electronics, capital goods) stimulate industrial output, thereby increasing demand for specialty and general-purpose steels. 5. **Inflation and Interest Rates**: While global inflation has been a concern, India's Monetary Policy has largely maintained stability. However, higher interest rates can increase the cost of capital for large-scale decarbonization projects, requiring careful Financial Planning. 6. **Global Economic Volatility**: Geopolitical tensions, Supply Chain Disruptions, and economic slowdowns in major Global Markets (Europe, China) can affect steel prices, raw material costs (especially coking coal), and export opportunities, necessitating diversification and domestic market reliance. These factors together create a dual imperative for Tata Steel: capitalize on India’s growth story while proactively investing in decarbonization to meet evolving regulatory standards and secure long-term competitiveness in a carbon-constrained world. The intersection of robust demand, Policy Support for green technologies, and environmental mandates forms the critical backdrop against which Tata Steel executes its strategic vision.

    Risk Factors

    Tata Steel, while strategically positioned for India's growth, faces a multitude of risks that could impact its operations, financial performance, and ambitious decarbonization targets. Navigating these complexities is crucial for sustained success. 1. **Raw Material Price Volatility**: Steelmaking is highly dependent on key raw materials, primarily iron ore and coking coal. While Tata Steel benefits from captive iron ore mines in India, significantly reducing exposure to iron ore price fluctuations, it remains heavily reliant on imported coking coal. Global supply disruptions, geopolitical tensions (e.g., Russia-Ukraine conflict impacting energy markets), and demand-supply imbalances can lead to extreme price volatility for coking coal, directly impacting production costs and Profit margins. A sustained spike in coking coal prices could erode profitability and delay capital-intensive green investments. 2. **Technological Risks and Decarbonization Challenges**: The transition to green steel pathways (e.g., hydrogen-based DRI, CCUS, HIsarna) involves significant technological risks. These technologies are often nascent, require immense capital investment, and their commercial viability at scale is still being established. There are uncertainties regarding the availability and cost of critical inputs like green hydrogen, the efficiency of carbon capture, and the long-term reliability of new processes. Delays in Technology development, higher-than-anticipated costs, or underperformance of these systems could jeopardize Tata Steel's net-zero targets and increase operational expenses. 3. **Regulatory and Policy Uncertainty**: While India is committed to net-zero, the specific mechanisms and timelines for carbon pricing, green incentives, and emissions reduction mandates are still evolving. Ambiguity in policy implementation, sudden shifts in environmental regulations, or inadequate financial support for green technologies could create an uneven playing field, increase compliance costs, or slow down the decarbonization journey. For its European operations, the implementation of CBAM and other stringent environmental regulations presents complex compliance challenges and potential competitive disadvantages if not adequately addressed. 4. **Global Economic Slowdown and Demand Fluctuations**: The steel industry is highly cyclical and sensitive to global economic conditions. A significant slowdown in major economies (e.g., China, Europe) due to inflation, Interest Rate hikes, or geopolitical crises can depress steel demand, leading to oversupply, price erosion, and reduced Capacity Utilization. While India's domestic demand is robust, a global downturn could impact export opportunities and overall Market Sentiment, putting pressure on revenues and profitability. 5. **Geopolitical Risks and Supply Chain Disruptions**: Geopolitical events can disrupt global supply chains for raw materials, energy, and even specialized equipment needed for new technologies. Trade wars, Sanctions, and regional conflicts can lead to logistical bottlenecks, increased freight costs, and scarcity of critical inputs, impacting both production continuity and Cost Efficiency. 6. **Competition**: The Indian Steel market is competitive, with both domestic and international players. New entrants or expansions by existing players could lead to oversupply in specific product categories, intensified price competition, and pressure on market share. Furthermore, companies that lag in decarbonization might face competitive disadvantages in markets with strong green preferences or carbon taxes. 7. **Cybersecurity and Digital Risks**: As Tata Steel increasingly adopts digital technologies for operational efficiency, supply chain management, and advanced analytics, it becomes more vulnerable to cyberattacks. Data breaches, operational disruptions due to ransomware, or intellectual property theft could lead to significant financial losses, reputational damage, and operational downtime. 8. **Social and Environmental Activism**: Increased public awareness and scrutiny regarding industrial emissions, resource depletion, and community impacts can lead to social activism, legal challenges, and reputational damage. Failure to manage environmental and social performance effectively could result in operational delays, increased regulatory oversight, and strained stakeholder relations. Effectively mitigating these risks requires a multi-faceted approach, including strategic raw material sourcing, robust R&D investment, proactive engagement with policymakers, financial discipline, and a strong focus on operational resilience and digital security.

    Future Outlook

    The future outlook for Tata Steel is characterized by an intricate balance of growth imperatives and transformative decarbonization ambitions, firmly anchored in India’s ascending economic trajectory. The company is strategically positioning itself not merely as a steel producer but as a pioneer in sustainable materials for a net-zero future. **Growth in India:** India is set to remain the primary engine of growth for Tata Steel. The government’s sustained focus on infrastructure development, including the continued rollout of projects under PM Gati Shakti and the National Infrastructure Pipeline, guarantees robust domestic steel demand for decades. India's per capita steel consumption is expected to rise significantly, closing the gap with global averages, driven by urbanization, industrialization, and a growing middle class. Tata Steel’s substantial capital expenditure in India, particularly the expansion of its Kalinganagar plant to 8 MTPA and eventually 13 MTPA, is designed to capture this growth. This expansion is not just about volume but also about enhancing the product mix with value-added, high-strength, and lightweight steels crucial for automotive, construction, and renewable energy sectors. The integration and successful turnaround of Neelachal Ispat Nigam Limited (NINL) further solidify its market position, adding valuable capacity and operational synergies. **Decarbonization at the Core:** The long-term future of Tata Steel is inextricably linked to its success in decarbonization. The company has articulated ambitious targets, aiming for net-zero emissions in India by 2045-2050, and significantly earlier in Europe (2045). This commitment drives substantial R&D and capital allocation towards green steel technologies. * **Green Hydrogen:** Tata Steel is actively exploring and piloting green hydrogen injection in blast furnaces and is a strong proponent of hydrogen-based Direct Reduced Iron (DRI) as a primary pathway. The falling costs of renewable energy and India's National Green Hydrogen Mission provide a supportive ecosystem for this transition. * **Carbon Capture, Utilization, and Storage (CCUS):** The company has commissioned India’s first carbon capture plant for blast furnace gases at Jamshedpur and is scaling up these efforts. CCUS is seen as a critical bridge technology to reduce emissions from existing assets while newer technologies mature. * **Resource Efficiency and Circular Economy:** Enhanced focus on scrap utilization, energy efficiency improvements across operations, and developing circular economy models will be integral to reducing both emissions and operational costs. This includes promoting lightweight steel solutions and designing for recyclability. * **Digitalization and AI:** Advanced analytics, Artificial Intelligence, and digital twins will play a crucial role in optimizing production processes, improving energy efficiency, predicting equipment failures, and managing complex supply chains, all contributing to sustainability goals. **Global Footprint and Strategic Restructuring:** While India is the growth engine, Tata Steel's European operations are undergoing a significant transformation aimed at achieving sustainable, profitable, and green steel production. The strategic focus is on creating a leaner, more efficient, and decarbonized European business, aligning with stricter environmental regulations and market demands. This involves substantial investment in greener production methods and potential restructuring to optimize the asset footprint for the long term. **Financial Resilience and Innovation:** Tata Steel's disciplined approach to deleveraging and maintaining a healthy balance sheet is fundamental to funding these capital-intensive growth and green transition projects. The company's ability to generate strong free cash flows from its Indian operations provides the necessary financial muscle. Innovation, both technological and operational, will be a constant theme, enabling the company to not only reduce its carbon footprint but also develop new high-performance materials that meet evolving customer needs in sectors like renewable energy, electric vehicles, and advanced manufacturing. In essence, Tata Steel's future outlook is one of transformative growth, where its expansion in India will be met with pioneering efforts in sustainable steelmaking. The company aims to lead India’s industrial decarbonization journey, demonstrating that economic progress and environmental stewardship are not mutually exclusive but deeply intertwined imperatives for long-term value creation and national development.

    Recommendations

    To solidify its leadership in sustainable steelmaking and effectively contribute to India’s net-zero 2070 target, Tata Steel should consider the following strategic recommendations, building upon its current strengths and proactive initiatives: 1. **Accelerate Green Steel Technology Deployment and Scale-Up:** * **Prioritize Green Hydrogen Integration:** Intensify R&D and pilot projects for green hydrogen-based Direct Reduced Iron (DRI) and its broader application in existing blast furnace processes. Given India's National Green Hydrogen Mission, strategically partner with green hydrogen producers to secure long-term, cost-competitive supplies, potentially through joint ventures or long-term off-take agreements. * **Expand CCUS Capacity:** While critical for immediate emissions reduction from existing assets, rapidly scale up CCUS installations at all major Indian facilities. Explore commercially viable utilization pathways for captured carbon, such as in chemicals or building materials, to offset costs and contribute to a circular carbon economy. * **Invest in Scrap-based Electric Arc Furnaces (EAFs):** Strategically deploy EAF capacity, especially in regions with high scrap availability, leveraging its lower carbon intensity compared to traditional blast furnace routes. Advocate for policies that promote domestic scrap collection, processing, and Recycling to create a robust circular economy for steel. 2. **Forge Strategic Alliances and Ecosystem Partnerships:** * **Collaborate on R&D for Breakthrough Technologies:** Form consortia with academic institutions, technology providers, and even competitors to de-risk and accelerate the development of next-generation green steel technologies (e.g., advanced electrolysis, novel capture materials). Sharing knowledge and resources can reduce individual financial burdens. * **Strengthen Value Chain Integration for Green Solutions:** Work closely with customers in the automotive, construction, and renewable energy sectors to co-develop and promote green steel products. This would create assured demand for low-carbon steel and provide valuable feedback for Product Development. Similarly, collaborate with Mining companies and Logistics providers to ensure a sustainable and efficient supply chain for new raw materials like green iron ore or biomass. 3. **Proactive Policy Advocacy and Engagement:** * **Advocate for a Clear Carbon Pricing Mechanism:** Engage with the Indian government to help design and implement a predictable and equitable carbon pricing mechanism (e.g., carbon Tax or robust cap-and-trade system) that provides long-term investment certainty for decarbonization and levels the playing field for early movers. * **Seek Targeted Incentives and Financial Support:** Advocate for specific government incentives, such as production-linked incentives (PLI) for green steel, capital subsidies for green hydrogen projects, and preferential financing for decarbonization capex, to bridge the viability gap for new technologies. * **Champion Green Procurement Policies:** Encourage government bodies and public sector undertakings to adopt green procurement policies that prioritize low-carbon steel in infrastructure projects, thereby creating early market demand for sustainable products. 4. **Enhance Operational Excellence and Digital Transformation for Sustainability:** * **Deepen Energy Efficiency Initiatives:** Beyond incremental improvements, leverage advanced analytics, AI, and IoT across all plants to identify and implement step-change improvements in energy efficiency, optimizing processes from raw material handling to finished product. * **Embed Circularity Across Operations:** Implement robust waste heat recovery systems, water recycling, and industrial symbiosis initiatives where waste from one process becomes input for another industry, further minimizing environmental footprint and operational costs. * **Strengthen Digital Infrastructure:** Continue investing in digital twins, predictive maintenance, and supply chain digitalization to enhance operational resilience, optimize resource utilization, and provide transparent ESG data reporting. 5. **Robust ESG Reporting and Stakeholder Communication:** * **Transparently Report Decarbonization Progress:** Go beyond compliance by adopting leading global ESG reporting frameworks (e.g., TCFD, SASB) and regularly communicate progress on GHG reduction targets, Green Technology investments, and associated risks. This builds Investor Confidence and strengthens brand reputation. * **Engage with Communities and Workforce:** Ensure a just transition for the workforce impacted by technological shifts, providing retraining and Reskilling opportunities. Foster strong community relations by addressing local environmental concerns and contributing to social development. By embracing these recommendations, Tata Steel can not only achieve its net-zero ambitions but also reinforce its position as a global leader in sustainable industrial practices, driving both Shareholder Value and national progress towards a resilient, low-carbon economy.

    logo

    Stock Market News

    Economy