While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

When International’s engineering team joined forces with MAN and Scania back in 2017 to design a new heavy-duty powertrain from scratch, they started with ...

A diesel engine is simultaneously incredibly simple and incredibly violent, using compression as a means of ignition. This is because of the properties of diesel fuel: Namely, diesel is less volatile ...

More an ancient tool than a groundbreaking gadget, the fire piston relies on basic chemistry to ignite a campfire with the simple pump of a hand. The new Aviator's Ember from Aerohart applies ...

A clean-sheet engine design always merits a second look, and when that engine is a high-tech unit designed as the ...

Caterpillar has been generating power for nearly a century, but it hasn't captured the public's imagination until now.

Toyota recommends changing the oil and filter on a 2025 RAV4 plug-in hybrid every 10,000 miles or once a year. The Subaru Outback uses a dependable engine and a Continuously Variable Transmission, and ...