National Policy on Biofuels, 2018-1

•It categorises biofuels in various categories to enable extension of appropriate financial and fiscal incentives under each category.
•Basic Biofuels or First Generation (1G): Bioalcohols, Biodiesel, etc.
•Advanced Biofuels or Second Generation (2G): Ethanol, Municipal Solid Waste (MSW) to drop-in fuels, etc.
•Third Generation (3G): Butanol.
•Fourth Generation (4G) : Fuel from genetically engineered crops.