In actuality, modern internal combustion engines come in two distinct varieties, spark-ignition and compression-ignition. These have several small, yet distinct differences. Read more: 10 Of The ...

Still, with the smaller combustion chamber volumes, small-block V-8s can crank out some serious power, and in the Golden Age of American Muscle, there were some mighty little engines that helped ...

A collaborative project dubbed HySE (Hydrogen Small mobility & Engine technology) by manufacturers is a joint effort exploring the potential of hydrogen internal combustion for use in small vehicles.

More palmable than a basketball, the 40ACS Wankel packs a power-to-weight punch in a package that disappears away in small ... combustion process, which are continuously recirculated through the ...

Toyota unveils new compact engines compatible with carbon-neutral fuels, offering improved performance and lower emissions.

TOKYO (AP) — The engine for a new flagship small Japanese rocket burst into flames Tuesday during a combustion test, causing no injury or damage to the outside but destroying the engine and ...

Mazda has a rich history in motorsport, including the honor of being the only manufacturer to win the 24 Hours of Le Mans with a car not powered by a reciprocating engine. The Mazda Skyactiv-Z ...