A diesel engine is simultaneously incredibly simple and incredibly violent, using compression as a means of ignition. This is because of the properties of diesel fuel: Namely, diesel is less volatile ...

If you’ve been to a dealership recently, or even browsed online some, you know just how expensive a new truck is these days. It’s not out of the question to see a sticker price higher than what many ...

We all know diesel engines produce Earth-moving torque to outclass gas engines in pulling power and heavy-duty workloads. We also know that diesels could outlive a similar gas engine, given proper ...

This story appears in the June 29 print edition of Transport Topics. Over-the-highway trucks and buses with 2007 engine technology ran nearly 90% cleaner than required by federal emission standards ...

Many drivers wonder if they should turn off their engines while waiting at red lights to save fuel. Research shows that ...

Who hasn't experienced being behind the wheel and anxiously glancing at the fuel gauge as the needle hovers over empty? Whether it's due to forgetfulness or an effort to squeeze as many miles out of ...