An increase in the percentage of ethanol in petrol has resulted in the elimination of excise taxes by the central government. This is a necessary step for the eventual widespread use of fuels with ethanol concentrations higher than 20%. This came to light at a time when India is actively working to reduce its reliance on imported crude oil and increase its usage of biofuels. A government announcement states that petrol containing 22%, 25%, 27% or 30% ethanol blends are now exempt from excise cha