With the price of gasoline constantly on the rise, we've become more and more interested in alternative fuels. Among those that have become most prevalent are E85 and propane. Many new cars and trucks ...

That classic car in the garage sure is a beauty. But it's not terribly fuel-efficient, and it's probably got minimal emissions controls. What's an eco-conscious gearhead to do? Convert it to propane.

FARGO, N.D. -- Bill Ongstad says converting his new 2013 Ford 350 to a propane bi-fuel system might save him 40 percent in fuel costs. "I figure to have it paid for by Christmas," says Ongstad, who ...

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 ...

Harold Wagner pressed down on the gas pedal – call it the propane pedal – and the white Chevrolet Celebrity merged briskly into traffic on North Orange Blossom Trail. The Synergy Gas Corp. car is ...