New Delhi, July 10 -- Amid a growing nationwide debate over E20 petrol, the Centre on Friday defended its ethanol-blending programme, assuring motorists that the fuel is safe for vehicles and does not cause engine damage or major performance issues.

The clarification comes after a wave of complaints from vehicle owners and viral social media posts claimed that petrol containing 20% ethanol could damage engines and rubber components, increase maintenance costs and reduce fuel efficiency, particularly in older vehicles that were not originally designed for lower ethanol blends.

E20 petrol, a blend of 20% ethanol and 80% petrol, is a key part of India's plan to reduce crude oil imports, cut carbon emissions and boost domestic ethanol produ...