Finding cheap gas these days feels like winning the lottery. With fuel prices at record highs, you need to squeeze the most out of every precious drop. By learning how to get better gas mileage, ...

Cummins released details of its 2027 X15 diesel engine, which it says meets EPA 2027 emissions requirements while improving fuel economy — and without adding weight or using more diesel exhaust fluid.

Saving fuel is a top priority for individual vehicle owners and fleet managers alike. U.S. domestic oil production has increased over the past few years to offset rising gas prices, but fuel costs ...

Gasoline prices have soared nearly 32 cents a gallon over the last four months, squeezing motorists in the wallet every time they pull up to the pumps. And last week, the federal government predicted ...