A hybrid car is a car which can run on two or more fuel sources. The term most commonly refers to Hybrid Electric Vehicles (HEVs), which combine an internal combustion engine and one or more electric motors.
April 27, 2010
The purposeful biodegradation of organic matter, such as yard and food waste.
November 21, 2009
A cleaner-burning diesel fuel made from natural, renewable sources such as vegetable oils.
Biodiesel is meant to be used in standard diesel engines and is thus distinct from the vegetable oils used to fuel converted diesel engines. Biodiesel can be used alone, or blended with petrodiesel.
November 15, 2009