The internal combustion engine, now more than 200 years old, will be with us for a long time to come yet. Powering more than 1 billion vehicles on the planet and almost 100 million new ones each year, ...

GM engineers are doing road-tests of a new internal combustion engine design, which the carmaker claims uses 15% less fuel than conventional petrol engines. A Saturn Aura and Opel Vectra have been ...

The engine under the hood of the little Mazda3 is a holy grail of engineering: a gas engine that uses compression, not ignition, to drive the car. That's why there are still only six of them in the ...

Fresh on the heels of last week’s tie-up with Toyota, Mazda announced on Tuesday that it has finally made a breakthrough in gasoline engine technology. Mazda is calling it Skyactive-X; we know it ...