"the school's combo ethanol-solarvan"
Solar Car
Creative Commons Attribution Share AlikeSolar Car - Credit: Mike Obermeyer

 Flexible Fuel ethanol/gasoline cars are already on sale. 

Flex Fuel GM Badge
Creative Commons AttributionFlex Fuel GM Badge - Credit: Mario Roberto Duran Ortiz

 

 

 

 

 

Solar-powered vehicles are at a more developmental stage.