[1] SAE Fuel Cell Technology Showcase, http://www.sae.org/technology/fuelcells.htm

[2] Fuel Cell Today, http://www.fuelcelltoday.com/index/0,1571,,00.html

[3] How Stuff Works - Fuel Cell, http://science.howstuffworks.com/fuel-cell.htm

[4] Fuel Cell Online, http://www.fuelcellonline.com/

[5] DaimlerChrysler, http://www.daimlerchrysler.com/dccom/0,,0-5-7166-1-199810-1-0-0-0-0-0-1372-7166-0-0-0-0-0-0-1,00.html

[6] Ford Motor Co., http://www.ford.com/en/vehicles/specialtyVehicles/environmental/fuelCell/focusFCV.htm

[7] Honda Motor Co.,http://powersports.honda.com/