BusinessPhoto gallery: OmnitracsAaron HuffJul 31, 2014FacebookLinkedInX (Twitter)Pinterest Add us as a preferred source on Google Related StoriesBusinessReport shows enforcement disparities among states, impacts on CSA dataBusinessOmnitracs seeks to build on Qualcomm legacy while parting waysBusinessHours rule defense, trucking’s $7.5 billion safety investment highlight Senate truck safety hearingBusinessPaccar, Cummins report increased 2Q revenues, earningsTop StoriesCCJ Top 250Skyrocketing insurance costs put the brakes on big trucking profitsFreight demand isn't saving America's top transportation firms as rising insurance and claims costs cut top truckers' profits in half.EmissionsEPA proposes to end DEF derates for good, scale back warranty requirementsFreight demandSoaring rates give rise to new truck demand: 'We are clearly in fleet expansion territory'CompaniesKeller Logistics takes on the fentanyl crisis with 'Hope Hits the Highway'Test DrivesA quick spin in Peterbilt’s Model 536EVGet all the info on the top 250 trucking companies in AmericaView, sort and download the trucking industry’s most comprehensive ranking of for-hire carriers in North America, based on a blend of metrics including fleet size, annual revenue and number of drivers.White PapersTurn Your Parts Department Into a Revenue MachineHow Smart Parts Management Keeps Your Trucks Moving