A National Technical University of Athens study shows that a Fuelre4m fuel treatment technology can deliver propulsion ...

Scientists have used one of the world’s most powerful supercomputers to find out how ...

Rolls-Royce Successfully Tests UltraFan Engine Tech Using 100% Sustainable Fuel UltraFan gas turbine engines hold the promise of 10% efficiency improvements compared to the world's most efficient aero ...

Toyota is revolutionizing the automotive industry with its groundbreaking W-Piston Free-Piston Engine, which achieves an impressive 50% efficiency. This innovation not only promises enhanced ...

The next time you pull into a gas station, you might think fuel efficiency is just about the size of your engine or how fast you drive. The reality is far more complex and fascinating. Modern vehicles ...

Independent university testing has proved that marine fuel consumption and associated emissions could be reduced more quickly ...

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 ...

Chrysler's HEMI engines have been around since the 1950s, but they were used as early as 1905 by car manufacturers like Pipe. Over time, these engines have become an appealing choice for car ...

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 ...

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 ...

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 ...