PHEVs and hybrids are taking over the engine awards.

Dongfeng’s new 2.0-liter hybrid engine reaches 45.5% thermal efficiency, marking a major step forward in combustion tech.

NACFE’s new Messy Middle Powertrain Service & Maintenance report says keeping modern diesel engines running now depends as ...

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...

For years, compact SUVs have followed a familiar formula: a gas engine, a transmission, and a direct mechanical link that ...

Built on its long-running Heavy-Duty Engine Platform, Daimler Truck North America’s new Gen 6 diesel engines utilize a novel pre-SCR system to meet the EPA’s strict 2027 NOx limits while delivering a ...

In 2017, Mazda announced its "Sustainable Zoom Zoom 2030 Vision," which promised to "perfect an internal combustion engine that produces fewer carbon dioxide emissions." Over the next five years, ...

A study published in Physical Review Letters (PRL) details a "Gambling Carnot Engine" that researchers report can attain 100% efficiency while also improving power generation. The researchers present ...

Combustion efficiency in internal combustion engines refers to the proportion of chemical energy in the fuel that is converted into useful mechanical work. Attaining high combustion efficiency is ...

There are many differences between diesel and gas engines, including some less obvious aspects of engine construction, such ...

There are so many different engine types in the marketplace. You have your V6s, V8s, flat engines, inline engines, and more. However, before you get down to the specifics of what kind of engine you ...