As the LA Times reports, the maker of the film, Who Killed the Electric Car, has come out with a sequel, The Revenge of the Electric Car:

a far more upbeat sequel that optimistically depicts how automakers are finally coming around to the concept. Although a bit skimpy on facts, “Revenge of the Electric Car,” world-premiering at the Tribeca Film Festival, is a hugely entertaining portrait of several of the key figures involved.