VoicesGet an APUOverdrive StaffJul 8, 2013Updated Sep 6, 2013 “Thermo King Tri Pac helped me save thousands on fuel; not to mention the hours on the main [engine]. It’s the best $11,000 I’ve ever spent, and I don’t want another truck without one.” Cody Blankenship Owner-operator, 4B Transportation LLC Add us as a preferred source on Google Related StoriesChannel 19Did Joe Biden drive a truck or didn't he?Custom RigsGale Banks / Mike Ryan Racing super-turbo rig at Pike’s PeakVoicesIndependence Day trucking traditionsPartner InsightsGarmin Dash Cams - Powerful & Discreet - Capture every detail with Garmin Clarity HDR optics, premium HD, and wide 140 degree view.Top StoriesTrucker of the YearCredit where credit's due: Trucker of the Year builds biz to sustain, pays it forwardPersonal drive, clear focus on long-term business stability, mechanical aptitude with late-model equipment, and the willingness share all he learns -- the good and the bad. Did we mention 10-plus mpg? All are outstanding qualities you'll find in Overdrive's Trucker of the Year, John Penn.Pride & PolishDouble trouble: 'Teal Appeal' 1998 Peterbilt 379 combo earns two Pride & Polish winsHours of ServiceHours-of-service waiver declared in 40 states for winter weather, interstate closuresRegulationsTrucker locked in FMCSA's Drug and Alcohol 'Clearinghouse jail' fights to break outFeatured SponsorGarmin Dash Cams - Powerful & Discreet - Capture every detail with Garmin Clarity HDR optics, premium HD, and wide 140 degree view.Overdrive RadioLatest EpisodeCredit where credit's due: Trucker of the Year builds biz to sustain, pays it forwardMore episodes »