It’s not just retail diesel prices that are rapidly rising. There are now reports of farmers booking off-road diesel for farm use trending above the $5 mark, too. It’s an issue facing the ...

Ford and GM's heavy-duty off-road-ready pickup trucks all offer diesel engines, but that's not the case for the Ram Power Wagon. Its sole engine option is a gas-powered 6.4-liter V-8, which is ...

62 mph The Heavy Expanded Mobility Transport Truck is an 8 x 8 diesel off-road tactical truck used by the US Army. Nicknamed “Dragon Wagon,” the HEMTT first went into service with the Army in ...

The Porsche Cayenne S V8 Diesel delivers serious power and luxury on the road, but how does it handle the rough stuff? We put it to the test—and let’s just say, things didn’t go as planned!