Volvo Trucks introduces its ultra-low .05 NOx diesel engine, beating 2027 standards. Learn how the new D13 platform fits into their EV and hydrogen plans.

The Alpha Otto Rev Force features forced induction, rotary exhaust valves and can run on a variety of different fuels.

So you've decided to take the leap and add a cat-back exhaust system to your car. Will it work without a tune? Here's what ...

Engines range from 1.2 55 to 1.9 TDI Readers report Real MPG to be between 27–80 mpg 74.3mpg combined is a bold claim for a 1.4 diesel. 83.1 at 56mph is even more remarkable. As, of course, is 99g/km ...