Porsche has patented a revolutionary new engine with a six-stroke combustion cycle. Essentially, the engine is combining both a two-stroke and four-stroke engine into one, taking the individual ...

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 ...

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

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 World's First Production-Ready Variable Compression Engine Infiniti's has developed the first variable compression ratio ...

Ever since 2016, the U.S. Air Force (USAF) has been looking for a new engine to slap into its fifth-generation F-35 fighter plane. The engine didn’t get to be detailed until 2019, and testing didn’t ...

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 ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

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, ...

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 ...

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 ...