The E100 framework marks a significant expansion from India's ongoing ethanol-blending program, which has primarily focused on E20 (20% ethanol) adoption. Because pure ethanol behaves differently than traditional petrol, standard vehicles on the road today cannot simply switch to E100. It requires dedicated "flex-fuel" engines with upgraded fuel lines, injectors, and engine calibrations to handle ethanol's unique combustion and corrosive properties.
In a major step toward alternative energy and energy independence, the Indian government has officially approved the regulatory framework for 100% ethanol (E100) fuel. Announced recently by Union Road Transport and Highways Minister Nitin Gadkari, the move establishes the legal foundation for automakers and fuel retailers to commercially deploy vehicles powered entirely by domestically produced ethanol