Cycle America Facts Page: Here are some reasons to choose an alternate mode of transportation such as bicycles.

http://www.bikeroute.com/EnviroFacts.htm

US Department of Energy: The Alternative Fuels Data Center is a vast collection of information on alternative fuels and the vehicles that use them. Information ranges from the differing types of fuels to laws and incentives.

http://www.eere.energy.gov/afdc/

The Energy Guy: An extensive list of resources regarding alternate transportations and fuels.

http://www.theenergyguy.com/Links_Transportation.html

Green Car: An extensive list of resources regarding alternate transportations and fuels.

http://www.greencar.com/links.cfm

Bike To Work: This site is focused on the topic of commuting by bike and provides helpful information such as equipment guides, events, and resources.

http://www.biketowork.com/