New Delhi, July 20 -- Back-to-back government decisions prioritizing electric mobility have cast a shadow over flex-fuel technology, fuelling concerns among automobile and biofuel makers that policy uncertainty could slow investment and wider adoption of the technology. On 3 June, top ministers attended the commercial launch of Hero MotoCorp's flex-fuel motorcycle in Delhi, boosting sentiment for the technology's adoption. A day later, India's largest carmaker Maruti Suzuki also launched its flex-fuel WagonR. Within three weeks, the Delhi government mandated that it would allow only electric two-wheelers from April 2028, with a likely similar call for four-wheelers in future. Yet, soon after, the Centre rolled out its latest draft of fuel-e...