Diesel engines have been around since the late 19th century, which was around the time Karl Benz built the world's first automobile. Diesel engines have higher compression ratios than gas engines and ...

Dongfeng Motor has publicly released comprehensive technical details for its Mach 1.5T hybrid gasoline engine, which the company reports achieved a maximum thermal efficiency of 48.09 per cent.

BYD seems to be pretty proud of its Xiaoyun engine. It was, until very recently, the most thermal efficient mill in mass production. According to BYD, it manages to convert 43% of the chemical energy ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

Mazda has been vocal about its plan to continue developing internal combustion engines despite a major industry push towards electification and EVs. The company displayed its innovative Skyactiv-X ...

Nissan claims to have made a major efficiency breakthrough in efficiency for an internal-combustion in its e-Power hybrid system. The automaker announced Friday that it had reached 50% thermal ...

Nissan is developing an engine for road cars that could reach 50% thermal efficiency, meaning the potential for much more fuel-efficient cars. An engine's thermal efficiency is a measure of how much ...

As fast as electric cars are improving and expanding, there are some things that gas engines do better—many experts agree that gasoline engines will be around for several decades. Developing electric ...