The U.S. Air Force is seeking proposals to develop and flight-test a combined-cycle rotating ...

Outboard boat engines attach to the back of a boat and combine the engine and propulsion in one, like those on small boats or ...

In some sense, cars are the forces that drive our world. They help us shorten distances, travel faster than we’ve ever thought possible, and make our lives degrees of magnitude easier. All of that was ...

The engine’s significance lies not just in its thrust, but also in its use of liquid oxygen and liquid methane as propellant ...

Turbocharging a naturally aspirated engine is possible, but it often needs engine upgrades, careful tuning, and a cooling ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

As the world’s governments continue to crack down on fuel economy and emissions regulations, small displacement turbocharged engines have started to become more commonplace. Smaller displacement ...

We haven’t seen the last of the spinning triangles. Back in March, Martijn ten Brink, Mazda Motor Europe's vice president of sales and customer service, ignited gearheads everywhere when he told Dutch ...

Whether you are looking to prep your car for sale, get it clean prior to mechanical surgery, or merely don't want to cringe when you open the hood, a little DIY cleaning will make a world of ...

A Volkswagen GTI owner says a $7,000 engine and transmission replacement turned into another expensive problem. The replacement engine reportedly suffered damage before the car was even picked up from ...