Coolfuel Roadtrip: Alternative-Fuel Vehicles Across the Country

Learn about different alternative-fuel vehicles in the show “Coolfuel Roadtrip.”

Shaun Murphy and his pal Sparky blend up a carbohydrate-heavy concoction to power the Green Hummer. A “diet” including beignets, crawfish and catfish powered this highly unusual “coolfuel” vehicle through Louisiana.
PHOTO: COOLFUEL ROADTRIP