PerspectivesPoll: What is your biggest obstacle when considering natural gas engines?CCJ Staff (CCJ)Sep 1, 2013Updated Sep 8, 2013 Take Our Poll Add us as a preferred source on Google Related StoriesPerspectivesGM HD 56-Gallon Fuel Tank UpgradeTop StoriesBusinessKnight Transportation co-founder and chairman stepping downKevin Knight, a co-founder of Knight Transportation, is retiring effective June 3.CybersecurityThe growing challenge of shared risk in ELDs and Chameleon ELDsEquipmentLawmakers again eye FET repealBusinessFedEx completes spin-off of its trucking armFeatured SponsorYour fleet is already paying for safety training. See whether it is paying you back.Get 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 fleet data into real cost savingsWith operating costs on the rise, fleet managers need smarter ways to reduce downtime, improve safety, lower claims, and uncover measurable ROI across their operations.