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 ...

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

To achieve the US Department of Energy's goal of 55% thermal efficiency, engine manufacturers will continue to bring new technologies to construction equipment Engine manufacturers are on the ...

Getting from A to B by most means of transport is polluting; incomplete combustion of fuels releases soot and unburned fuel into the atmosphere, along with greenhouse gases such as carbon monoxide and ...

Recent advances in the analysis of aviation engine efficiency and sustainability have expanded the understanding of engine performance beyond traditional energy metrics. Researchers are increasingly ...

Automakers spent decades chasing better engine performance and efficiency, often in strange ways. These five internal ...

Free piston engines could achieve efficiencies of 50% which is almost double a regular gas combustion engine. However, new super efficient diesel engines could be even better, plus diesels would be ...

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 ...