Rim-driven thrusters turn the normal propeller-motor arrangement inside out; rather than mounting the motor at the center of ...

We Bought a GIANT Diesel V Twin from China and Put It on a Go Kart!

The magniAIR air-cooled electric engine is designed initially for experimental as well as light sport aircraft and electric ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...

When comparing engine specs for nearly any combustion engine automobile, we see a number of variations available with differing outputs of horsepower and torque. We often have a choice of gasoline or ...

The rotary was the most radical rethink of the combustion engine in over a hundred years — and it paid the price for being different. Mazda introduced the innovative Wankel rotary engine in the 1967 ...

We're not going to get into the whole "who made the first car" argument today. But there's not much doubt that the overall history of self-propelled vehicles goes back well beyond the Mercedes Patent ...

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for passenger vehicles may have begun to reach its apex with Mazda’s Skyactiv ...

It started in 2023. General Motors (GM) announced that it was investing nearly $900 million in the development of the next-generation small-block V8 engine to power its large pickup and SUV models, ...