What are flexible fuel vehicles (FFVs)? Discuss the challenges that need to be addressed before the adoption of flexible fuel vehicles policy.

Topic: Infrastructure: Energy, Ports, Roads, Airports, Railways etc. 5. What are flexible fuel vehicles (FFVs)? Discuss the challenges that need to be addressed before the adoption of flexible fuel vehicles policy. (250 words) Reference:  Business Standard  Why the question: New guidelines for use of flexible fuel vehicles (FFVs) using flex engines is expected to be …