Researchers in Germany have recently unveiled a hydrogen-powered engine that could challenge diesel in ...

The volumetric efficiency table is crucial for understanding ECU performance. The vertical axis represents engine load ...

Volvo says advances in combustion and aftertreatment helped its new EPA 2027 D13 engine avoid the fuel-economy penalties many ...

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 ...

of operation and age of the engine, the in-flight shutdown rate and depot cost are expected to increase even faster (Figure 4-4). There are serious issues other than fuel efficiency that need to be ...

Volvo's D13 engine cuts NOx emissions by 80%, aligning with 2027 EPA standards for cleaner, efficient heavy-duty truck ...

Powering thousands of trucks with massive amounts of torque, stellar economy and proven reliability, the Detroit DD15 remains ...

2024: Enter the ram-rotor detonation engine (RRDE) concept Dr. Haocheng Wen and Prof. Bing Wang of Tsinghua University in Beijing, China, have conceptualized a revolutionary new type of engine they ...

This has been discussed before on Ars, such as at https://arstechnica.com/civis/threa...ost-efficient-heat-pump-in-the-world.1501605/, and https://arstechnica.com ...

Most V8 fans accept the fact that choosing a vehicle with such an engine means higher gas bills and overall running costs. As ...

The prices of gasoline should serve as a wake-up call to all of us involved in public office, that we have got an energy security problem and a national security problem, and now is the time to deal ...