An engine's displacement dictates power output based on the bore and stroke, while compression ratio influences how strong ...

Researchers in Hong Kong have developed a hybrid-energy heat pump that seamlessly combines absorption and compression cycles using crystallization-free ionic liquids, improving efficiency and ...

Mazda's Miller-cycle engine was a notable entry in the annals of automotive history, combining variable valve timing with a screw-type supercharger to maximize the brief compression cycle. The most ...

Mazda patents a complex 6-stroke engine that generates hydrogen from gasoline, offering zero emissions and daily operation like a gas-powered vehicle.