You're driving a loaded diesel rig down a mountain pass, foot hovering over the brake pedal, heart racing. How do you slow 20,000 pounds safely without cooking your brakes? Cue the exhaust brake -– ...

The engines that power the vehicles we drive are exceptional machines. They're capable of generating insane amounts of power in a relatively confined space, and they can generally be expected to ...

Dreaming of a 7.2-liter Cummins in the next Ram HD? “It simply won’t fit unless we do, like, a Class 8 size front end.” ...

Ddiesel engines have their benefits, it's just that quick acceleration isn't one of them. They're limited in rpm compared to gas engines, due to factors like their higher compression ratios, and that ...

Most heavy-duty vehicles run on diesel engines, which you probably already know. What you might not realize is that there are actually different kinds of diesel fuels for various uses. One type that ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

After military service a career as war correspondent was on the cards. But then an exclusive bursar programme in automotive journalism came 'a-knockin' - and so a 26-year journey spanning newspapers, ...