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 ...

The latest addition in Volvo’s striving for fuel savings is developed in-house at Volvo and is based on the company’s existing I-See and I-Roll technologies. The new stop/start engine feature is ...

Now, semi-trucks have two main metrics with which we judge their power — horsepower and torque. We've already ranked the 12 most powerful semi-truck engines by torque, so now we'll cover the 10 most ...

When shopping for a car, our mind often goes to horsepower. But in the world of semi trucks, balance and torque are the most important things. And that's where the inline-6 engine shines. Unlike a V8, ...

Keeping up with oil changes is one of the simplest yet most crucial ways to extend your truck's life. Diesel engines, especially in hard-working semi-trucks, deal with massive loads and long hauls, so ...

Forbes contributors publish independent expert analyses and insights. I am a professor at Cal State LA and the technical director for the Hydrogen Research and Fueling Facility. We go for better ...