There's plenty of noise being made about alternative-fuel vehicles these days, but gas-electric hybrids, hydrogen, and T. Boone Pickens's favorite, natural gas cars, are hogging the spotlight. Roush ...

Kingsport has about 780 pieces of equipment in its fleet, everything from cars and pickup trucks to dump trucks, fire trucks, school buses and street sweepers. A majority run on gasoline, nearly 250 ...

With crude oil being a finite and mostly imported resource, the search is well and truly on these days for alternative fuels to serve our energy needs. While some take an environmentally zealous, ...