Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

Could two of BMW's everyday diesel sedans be capable of embarrassing a flagship M3 in a certain performance situation? Period ...

Trucking keeps the world moving by delivering goods every day of the year. Drivers spend long hours on the road to make sure ...

X15 diesels showed quick throttle response and strong acceleration on the TRC's tracks. Engine brakes were impressively strong, even at low rpm's. A parade of X15-powered tractor-trailers led the ...

Freightliner and Western Star models will offer a broader mix of gasoline, diesel and natural gas engines designed to meet EPA 2027 emissions standards.

Not too long ago, Hyundai didn’t compete directly with anything coming out of Germany (or perhaps that’s the other way around). Now Hyundai is determined not to let up on its recently-made foes. Today ...

The 7.3 Power Stroke turbodiesel has become an iconic engine that's considered by some to have heavily influenced diesel design. The 1994 Ford Super Duty was the first to showcase the 7.3-liter Power ...

Golf balls have dimples, so they fly farther than balls that don't. Apply the same principle to diesel engines, and you have a gross oversimplification of why dimpled pistons were invented. It's a ...

Owning a Cummins-powered rig is already a flex. That deep, rumbling idle. The way the turbo whistles when you roll into the throttle. The satisfying grunt as it effortlessly tows what would make most ...

Toyota is well regarded by many as the expert when it comes to making reliable cars, with a central focus of its expertise being powertrain technology. If anything, many can comfortably argue that the ...

From the Skoda Kodiaq to the Volkswagen Tayron R Line, here are five comfortable SUVs I would pick for long highway road trips with my parents.