With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

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 -– ...

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 ...

Modern internal combustion engines — including those that run on diesel fuel — require a lot of special parts and systems to ...