The internal-combustion engine will still be king of the road in the early 2020s, when only a fifth of cars sold in Europe will be hybrid or electric.

ECONOMIST: Carmakers: Revenge of the petrolheads | The

Sorry, these are the companies based in Britain that are developing their electric cars or proposing to develop their hybrid cars in Britain as a base for Europe.

BBC: Take your politics too seriously

Unlike the U.S., Europe, China or Japan, all of which have multiple automakers building electric cars and pushing for the infrastructure that supports them, India has just one: Mahindra Reva.

FORBES: Mahindra To Debut An Electric Car On March 18