Chinese startup Mega Engine advances reusable staged-combustion rocket engine A new Chinese commercial rocket engine startup ...

It's important to keep in mind that the combustion process occurs in a very brief period of time. Due to a variety of conditions that include mixture density, homogeneity, temperature, fuel ...

It's been a long time since the automotive world has bothered with the mixing of oil and gas of the two-stroke combustion cycle — but soon, it may come time to rid ourselves of four-stroke engines, if ...

Just days ago, Porsche patented a revolutionary six-stroke engine that combines the power advantages of a two-stroke engine ...

Aerojet, a GenCorp Inc. company, announced today that America’s only staged combustion liquid rocket booster engine currently in development achieved an important milestone July 12 at NASA’s Stennis ...

NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...

The realm of pistons and internal combustion has been on an evolutionary arms race since the very first power stroke of the Big Bang that started the reciprocating piston revolution. Stronger, faster, ...

We've seen many engine configurations come and go, with some being more noteworthy than others and some being just outrageous. Honda attempted to modify the shapes of the pistons used in its engine, ...

Almost all gasoline engines, whether they're efficient-yet-less-refined four-cylinders, high-horsepower V6s, or growly and torque-rich V8s, use much the same process to create power. The "Otto cycle" ...

The Mazda CX-90 feels like a bona fide luxury SUV, but the company's current upmarket push isn't its first. At one time, Mazda was actually going to launch its own luxury sub-brand, and it would bring ...