E20 petrol: Gadkari tells Parliament fuel economy may fall 2-6%, but emissions can drop about 30%
Nitin Gadkari told Parliament on July 30, 2026 that E20 petrol may reduce mileage by 2-6% but can cut emissions by about 30% versus E10.
Key highlights
Direct fact
On July 30, 2026, Union Minister Nitin Gadkari told the Lok Sabha that E20 petrol, which contains 20% ethanol, can reduce fuel economy by 2% to 6% depending on vehicle category and vintage, while offering about 30% lower carbon emissions than E10.
Key specifics
- E20 means 80% petrol and 20% ethanol.
- The fuel economy impact cited was 2% to 6%.
- The carbon emissions reduction claimed was about 30% versus E10.
- The study was carried out by ARAI, SIAM and Indian Oil Corporation Ltd (IOCL).
- The ethanol blended petrol programme began with a pilot in 2001 and E5 was introduced in 2006.
Exam lens
TNPSC economy and science question type: fuel blending, institutions and percentages. Key facts: E20, 20% ethanol, 2-6% mileage drop, 30% lower emissions, ARAI-SIAM-IOCL, 2001 and 2006 milestones.