Tugs are used to haul jets in and out of gates. The majority of the tugs operating at SFO run on diesel fuel, spewing pollution into the environment. While there’s been a gradual switch to ...

they decided to start with a 1990 Dodge diesel truck. The truck started out as a retired airplane tug, but was transformed into a trail-slaying adventure machine. On episode 34 of Dirt Every Day ...

Chevy's Vortec gas engine was no match for the torquey Cummins turbo diesel. For our next round of vehicular tug-of-war, a Duramax-powered Silverado HD takes on Volkswagen Touareg V10 TDI.