What do you know about the invention and the history of hybrid cars? Here's a look at its beginnings in the early 1900's, modifications made over time, various kinds of hybrids, and finally, the events that lead to the present growth and...

This site provides real-world issues as well as the scientific research and technology used to support the EPA's mission to protect human health and safeguard the natural environment.

Learn how electric cars and fuel cell vehicles cn be greener for the environment.

Learn how alternative fuels such as ethanol can help make cars and vehicles greener for the environment.