Biofuel blends will now be integrated into every fuel purchase for the Navy.
While most people think driving a car is better for the environment than flying in an airplane, that's not necessarily true because airplane engines are getting much more efficient.
The goal is to educate Congress on the important new industry and to help it grow.
They are almost impossible to control, opening up a Pandora's box.
An area the size of Russia would have to be converted to biofuel production to replace petroleum, why bother?
Researchers show that solar PV requires the least land and has the smallest greenhouse gas footprint by far.
Propel Fuels is creating a network of renewable fuel stations, where people can fill their cars up with biodiesel.
NYC is the first to mandate biodiesel, and California's new laws include a home-grown biogas industry.
57 tribes sign a long term agreement to develop biofuels and bioenergy projects on their lands in California.
Concerns over higher global food prices are behind the European policy shift.