Diesel engines are torquey and efficient powerhouses capable of outlasting a comparable gas engine. But despite their robust build quality and beefier internals, there are things to avoid if you have ...

When you’re picking up a friend, waiting inside your car by the curb, what’s the most efficient thing to do? Does it take more gas to start a car or leave it running? It was previously believed that ...

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 ...