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 ...

A fast-rising name in the hybrid vehicle market, Horse Powertrain has spent the past three years transitioning into one of the world's leading engine manufacturers while developing a portfolio of ...

Discussing which engine is better between a straight-six and a V8 is something that feels like a plotline from The Fast and the Furious, if the franchise actually cared about cars. It’s “import versus ...

Shares of Caterpillar, the maker of mining and construction machinery, are up more than 30% since year-end, making it the biggest contributor to the Dow Jones Industrial Average. WSJ’s Jonathan Weil ...

A little more than two months ago, a Rocket Lab employee called the Stennis Space Center Fire Department from the nearby E3 test stand. There was a grass fire where Archimedes engines undergo testing.

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

Marine engines and automotive engines are as different as Steinway pianos and comedy keyboards that operate by squeezing loud, well-tuned hamsters. They may look the same on the outside, but there's a ...

The legendary Mazda 787B unleashes its R26B 4 rotor engine revving to 9000rpm at the Goodwood Festival of Speed. Launches, hard revs and full throttle accelerations captured with raw rotary sound and ...

Here’s what you’ll learn when you read this story: Stirling engines, which have been around for centuries, leverage temperature differentials in a gas to do light mechanical work. A new study ...

The Earth is much larger than most people realize. You need to use engines if you want to efficiently navigate large sections of the planet. Everything from cars to planes relies on engines, but they ...

Engine manufacturer Pratt & Whitney will use new digital design technology to accelerate its work on the XA103, its submission for the U.S. Air Force’s Next Generation Adaptive Propulsion (NGAP) ...