Mazda spent decades turning the rotary engine from a quirky engineering idea into a cultural touchstone, from early RX coupes ...

About the only thing seriously lacking from the German brand’s largest is boot space. Still, unlike the slightly shorter and ...

Colorado’s Division of Oil and Public Safety has received more than 600 complaints from drivers who experienced engine issues ...

William Wolfgang, the T's director of vehicle engineering, says that new battery-powered engine technology isn't sufficiently developed to be able to replace the T's aging fleet of diesel locomotives.

A 3,000-ton locomotive was careening down the tracks with no crew on board. Authorities tried—and failed—to stop it. Then one ...

The “Better Fuel Economy at All Costs” push has spawned complexity issues for powerplant serviceability and longevity. OEMs may now have a chance to make needed design changes.

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

State officials believe the contaminated fuel originated from the HF Sinclair terminal in Henderson, and was then sent out to ...

The owner of this Ram 3500 truck has been going nuts trying to find out what was wrong with his truck, but dealers couldn't ...

It might seem like a small detail, but the color of your engine oil can speak volumes about what’s going on inside your car.

A new math puzzle designed to challenge readers of all ages is coming to the Daily Press. David Genter, a puzzle developer ...

While fresh oil is generally transparent and amber colored, black oil may mean it's time for a replacement and frothy oil can ...