Nissan plans to introduce a new type of hybrid for the U.S. market that drives like an all-electric vehicle but is powered by ...

Power companies need to reduce their carbon emissions, and this new gas engine promises to help them do so by running on a ...

If you've even casually contemplated purchasing a Ram truck powered by a diesel engine in the last couple of decades, the name Cummins is undoubtedly familiar to you. The Indiana-based company has, ...

Gasoline and diesel engines are very different. The former rely on spark ignition while the latter use compression ignition. Diesel engines typically run at much higher compression ratios than ...

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

U.S. automakers have among the least fuel-efficient lineups on the road, making them more vulnerable to gas-price shocks.

Cummins engines have long been synonymous with diesel power, but for the first time in its 100-year history, the company has introduced a gasoline-powered engine. The B6.7 Octane is the company's ...

At TopSpeed, William Clavey is Editor-at-Large, where he focuses on authority and exclusive content, reviews, news articles, features, and opinion pieces all while sharing his passion for everything ...

If you're like a lot of folks, you may have been pretty surprised at the final tally the first time you filled up your Class A RV. Some of those monsters have gas tanks with a 150-gallon capacity. If ...

You don't want to put diesel in a gas engine. It's actually a major problem for your car, especially if you start the engine. Diesel and gasoline are totally different types of fuel, and engines are ...

Border Valley Trading, a Brawley, Calif.-based alfalfa, sudan and klein grass hay producer and exporter, last year replaced its fleet of trucks with 15 liquefied natural gas-powered Kenworth T800s.