New Delhi, July 29 -- India's push towards ethanol-blended petrol has raised concerns among many vehicle owners, especially those driving older cars. One common question is whether filling up with E20 petrol could affect the validity of a comprehensive motor insurance policy or lead to claim rejections if engine problems arise.

The short answer is no. Insurance experts say the use of government-approved ethanol-blended fuel has no bearing on the validity of a car insurance policy. However, policyholders should understand what motor insurance actually covers and, equally important, what it does not.

According to Hari Radhakrishnan, Expert at the Insurance Brokers Association of India (IBAI), using ethanol-blended petrol does not invalida...