India’s ethanol rush prompts anger among vehicle owners, questions for gov’t

When Krishna Kumar pulled into a petrol station in New Delhi a few months ago, he expected nothing more than a routine fuel stop. Instead, like millions of motorists across India, he found that E20 petrol – a blend containing 20 percent ethanol – was the only fuel available.

He had little choice but to fill up.

Within weeks, the bank employee began noticing changes in the way his petrol se...