PerspectivesPoll: What is your biggest obstacle when considering natural gas engines?CCJ Staff (CCJ)Sep 1, 2013Updated Sep 8, 2013 Take Our Poll FacebookLinkedInX (Twitter)Pinterest Add us as a preferred source on Google Related StoriesPerspectivesGM HD 56-Gallon Fuel Tank UpgradeTop StoriesIndustryTrump: 'All American roads will be filled with American trucks'During a fiery address at Mack Trucks in Pennsylvania, Trump defended auto tariffs, detailed a new loan tax deduction, and slammed zero-emission vehicle mandates.BusinessSaia continues expansion with two new Midwestern terminalsClass 7-8Pioneer leading overhaul of Mack Trucks' product lineClass 7-8DTNA issues software patch for DEF-related engine deratesFeatured SponsorContinental's Extreme Duty Multi V-Belts designed for extreme temperaturesGet 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 PapersAutonomous Freight Procurement with DNAS