Geely unveils a hybrid engine with 48.4% thermal efficiency and 105 mpg, setting a new benchmark for production powertrain ...

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 ...

Geely now holds a Guinness World Record for thermal efficiency, with its new i-HEV system rated at 48.4%, according to a ...

How engine design has evolved to boost fuel efficiency, and where it's going from here.

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 ...

A computer generated power stroke of an internal combustion engine, following ignition - Pathompong Thongsan/Getty Images When comparing engine specs for nearly any combustion engine automobile, we ...

Every fleet strives to achieve two things when it comes to engines. The first is to maintain efficiency in order to reduce operating and service costs. The other is to ensure the longest possible ...

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 ...

Pratt & Whitney thinks the aerospace industry might need a bit more time to achieve a broad goal of squeezing at least 20% more efficiency out of the next generation of narrowbody aircraft engines.