Hybrid Powertrains and Hydrogen Fuel Cells
An Anonymous Coward writes "Nice article from cars.com detailing a panel dicussion with reps from Chrysler Group, Ford, General Motors and American Honda agreeing that hybrid powertrains and hydrogen fuel cells are the future of automotive propulsion, and discussing their companies' different approaches in both areas."
[Refering to what includes Hydrogen] Examples include petroleum, natural gas and biomass -- a nice way of saying plant and animal waste.
Finally! I can power my DeLorean off a rotting banana peal, coffee grounds, and a quarter can of malt beer.
..There's a-dooin's a-transpirin'