Alternative Fuels Data Center
Compendium of information on alternative fuels and vehicles, their uses, efficiency technologies, and more.
http://www.eere.energy.gov/afdc/
Energy Efficiency Technologies for Railways
Overview of the project that aims to reduce the energy consumption and costs of rail traffic or transportation.
http://www.railway-energy.org/
Freedom Car and Vehicle Technologies Program
Information on hybrid vehicle systems, power electronics and machines, energy storage, advanced combustion engines, fuel and lubricant tech, and more.
http://www.eere.energy.gov/vehiclesandfuels/
Re-Energy
Project plans involving topics on renewable energy. Presented as downloadable kits.
http://www.re-energy.ca/