Koenigsegg announced that its Gemera's three-cylinder engine was dead because too many customers went for the V8 option, ...

It is now twenty-five years since Capt. Ericsson was first introduced to the public as an inventor and improver of the hot air engine, and if ever an inventor deserved success, he certainly does.

With perhaps one or two exceptions, not one of the Press of New York invited, were competent to express a solid opinion upon the real merits or demerits of the Hot Air Marine Engine. That part of ...

The water vapor from the hot plane engine turns to ice mid-air which we see as white lines in the sky called contrails. This is the same phenomenon we see when we breathe hot air on a cold day.