SANTA ROSA – He usually just calls it “liquid.” Maybe that”s why he sleeps well at night. Of course, Tim Humphreys knows he”s not hauling 8,000 gallons of milk in those aluminum tanks.

Tim Pulli owns this 2006 Peterbilt 379 EXHD, powered by an Acert Cat with an 18-speed. The rig pulls a 5,000-gallon 2011 Walker tanker. He had the truck's engine rebuilt in 2021 at Exodus Diesel ...