William,
Well Biofuels is the future for transport. The US currently has a target of 35 Billion US Gallons of Biofuels per year by 2017.
The next step after this is the conversion of any Biomass to Biofuels
http://www.rangefuels.com/waste_to_wheels_the_cellulosic_revolution
... and our useless Government hasn't even mandated that all cars in Australia should be flex fuel cars
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