India’s E100 ethanol push could trigger ₹50,000 crore auto industry investment

India’s E100 ethanol ambitions could trigger ₹37,000–₹50,000 crore investment in the auto industry as manufacturers prepare for flex-fuel transition. Spending is expected on engineering, testing infrastructure, supply chain localisation and manufacturing upgrades, though E100 vehicles may remain a niche segment by 2030. Analysts caution returns are uncertain as firms already invest heavily in electrification, making ethanol adoption dependent on policy and fuel ecosystem support.
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