Three-cylinder engines promise big efficiency from small packages. But are the trade-offs worth it? Explore the surprising ...

Electric tech continues to improve, but it can't work for all areas and situations, and so not every automaker hit pause on ...

When International’s engineering team joined forces with MAN and Scania back in 2017 to design a new heavy-duty powertrain from scratch, they started with ...

With the debut of the 2026 Jeep Grand Cherokee, Stellantis has unveiled its newest gasoline engine, a 2.0-liter turbocharged ...

Electric concept cars seem to steal the spotlight at auto shows these days, with their flashy futuristic looks and promises of amazing battery range. And many if not most cars will get some form of ...

Stellantis’s new Hurricane 4 uses a few high-tech tricks—unusual in an engine that will be produced by the hundreds of thousands—to make significantly more power than competitors’ boosted ...

The new Jeep Grand Cherokee was released with a modernized, boxier look and a built-from-scratch turbocharged engine called ...

As downsizing has emerged as one of the best ways to meet tightening emissions rules, Ford has dived in headlong with its range of EcoBoost engines. The small turbo engines feature in everything from ...

Rolls-Royce is ditching diesel for methanol with its new maritime engine, described as the world's first high-speed marine ...

Although Mazda's Skyactiv engines are pretty trouble-free and they'll last for quite a while, there are a few notable issues ...

One famous limit of thermodynamics is that heat engines, like steam engines and internal combustion engines, must be less efficient than a Carnot heat engine (a heat engine cycle designed by French ...

Here in 2019, only the most fringe reactionaries are able to claim with a straight face that climate change is not a thing. But after years of the media doing its "two sides" thing, recalcitrant ...