Bio-fuelsPaperback - 2008
We currently rely on nonrenewable sources, such as oil, for most of our fuel. Scientists are working on new fuels from crops and other materials to help ease future dependence on nonrenewable resources.
Publisher: Ann Arbor, Mich. : Cherry Lake Pub., c2008.
Characteristics: 32 pages :,chiefly color illustrations, portraits ;,25 cm.