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 ...

Hydrogen has caused some memorable accidents throughout recent history, so what’s Porsche doing to make it less volatile?

If you want a new SUV that's also an EV, there's no shortage of those on the market right now.

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 ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

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 ...

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 ...

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

Watch this miniature 4-stroke OHV gasoline engine from Stirlingkit transformed into a fully working generator. A fascinating ...