PHEVs and hybrids are taking over the engine awards.

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 ...

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

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 ...

Toyota has a strong reputation for reliability, and these are the engines that benefit most from it in 2026.

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

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 ...

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 ...

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

Defining the Marine Duty Cycle. The engineering distinction between an automotive engine and a marine propulsion unit begins with the load profile. On the road, load is transient.