Alternative Energy in Transportation

--Alternative Energy News is a great resource for new and upcoming energy technologies, most of which involve transportation. Particularly interesting pieces on how alternative modes of transport will rely on alternative energy sources in the future, that being said here is a link-

http://www.alternative-energy-news.info/technology/transportation/

--This next site might seem a bit juvenile but it does a great job covering the basics and also includes at the bottom of the home page a few links to external sites concerning engineering for alternative energy and government databases.

http://www.energyquest.ca.gov/transportation/index.html

--Department of Energy Page

http://www.energy.gov/energyefficiency/transportation.htm