The rotary engine makes a comeback for cars and drones as gasoline gains popularity as a complement to electric motors.

Geely's new hybrid engine achieves record 48.41% thermal efficiency and 106 MPG, approaching Formula 1 performance levels.

[Stay on top of transportation news: Get TTNews in your inbox.] Advanced researchers and engine makers say the internal combustion engine’s ability to be more efficient and run on greener fuels means ...

If you never knew that Geely made the internal combustion engine (ICE) with the world's highest thermal efficiency, do not feel guilty. I tried to let people know about it in August 2022, when the ...

With all the recent emphasis on electric vehicles, we often overlook the technology that still powers most cars on the road today. The internal combustion engine (ICE) has been at the heart of the ...

A better mousetrap? Even now, as electrification seems poised to end the internal combustion engine’s long run as the transportation motivator of choice, enterprising tinkerers continue to propose ...

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As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...

For hundreds of years of human history, the invention that has defined our ability to travel, explore, and expand our boundaries has been the combustion engine. This hallmark of mechanical development ...