Diesel powertrains have historically been associated with two things: big towing power and increases in fuel economy compared to their gasoline-powered counterparts. Diesel engines usually provide big ...

The Cummins B Series engine reshaped what drivers expected from diesel engines. The B Series engines, consisting of the 6B, 6BT, 6BTA (inline six-cylinder), 4B, 4BT, and 4BTA (inline four-cylinder), ...

Volvo Trucks has introduced a new generation of its I-Roll technology. The upgrades adds new engine stop/start functionality. Volvo said the technology is a world first in the heavy-duty truck ...

Here's the story of perhaps the most legendary diesel engine ever made, the Cummins 5.9L.