The simple, non-negotiable truth is this: when it comes to outright fuel efficiency, the diesel engine is, mechanically and chemically, superior.

While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

Diesel engines have long had a solid reputation for reliability, but these powerhouses have proven to last far longer than ...

Diesel Exhaust Fluid has an expiration date, after which it becomes far less effective and can even damage your engine.

As fleets weigh future NOx and CO₂ rules, Volvo Trucks North America’s Peter Voorhoeve offers a straightforward message.