The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way.

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 ...

Porsche has patented a revolutionary new engine with a six-stroke combustion cycle. Essentially, the engine is combining both ...

From sleek cafe racers to powerful superbikes, the fastest motorcyles of the 1970s left a lasting mark on performance and biking culture.

GE Aviation’s (NYSE: GE) XA100 adaptive cycle engine is ready to progress from prototype into development following testing with the U.S. Air Force, according to the manufacturer. The XA100, along ...

The Lockheed Martin F-35 Lightning II is one of the few fifth-generation military aircraft currently in operation. Compared with all the others still flying in the world, it’s a true junior, having ...

The 2018 Volkswagen Tiguan doesn’t look like a front-running candidate to tackle an off-road course. It’s a family crossover designed to combat asphalt parking lots and stop-and-go traffic in the ...

Variable cycle engine design embodies a transformative approach in aero‐propulsion, enabling engines to adapt their thermodynamic cycle to meet diverse operational demands, from fuel efficiency to ...

Years ago, the choice was clear: When it came to 2 stroke vs 4 stroke outboard motors, 2 stroke won every time. Two stroke motors offered a better power-to-weight ratio, were cheaper to manufacture, ...

Automotive giant General Motors has filed patents for a two-stroke engine of the type whose excess emissions took it off the road decades ago as a technology seen as having no future.The patent is for ...

For years now the U.S. military has been looking for the next-generation fighter aircraft, the one that will keep America at the top of the list for aerial supremacy. Next Generation Air Dominance ...

If you’re shopping for a new fishing boat or an outboard motor to power it, one of the decisions you’ll have to make is between a 2 stroke vs 4 stroke engine. Unless you’re going electric, this choice ...