Whatever the fate of the heavily indebted Tesla Motors, is the electric vehicle revolution now set to sweep the world? And despite his Twitter antics and legal problems, has the company's chief executive earned the right to be brash?

Justin Rowlatt speaks to Gene Munster of tech investors Loup Ventures and to the author and tech prophet Tony Seba. Plus what is the future for fossil fuel companies in an electrified world? We ask Shell's vice president for new fuels, Matthew Tipper.

Producer: Laurence Knight

Image: Elon Musk (Credit: AFP/Getty Images)