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

For 42 years, the XK was Jaguar’s secret weapon. It proved its worth on the racetrack and powered generations of cars. The ...

Horse specializes in turnkey engines or range-extenders that allow companies to quickly and easily hybridize a combustion ...

Abstract: Due to price hikes, stringent emission regulations (Net Zero emissions by 2050), and global climate change issues, researchers are driven to explore sustainable fuels. This study reports on ...

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 ...

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, ...

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" ...

Could Toyota's hydrogen engine save combustion by converting engines? Toyota has developed a hydrogen combustion engine with nearly negligible harmful emissions. The project involved a Toyota Corolla ...