CumminsBusinessNew Route Parameter Manager Aftermarket Kit Yields Big MPG Gains For 2013 And Newer ISX15-Powered TrucksFleets that carry Cummins power expect better fuel economy as Cummins enhances ISX15 engines with integrated technology for the lowest cost of operation.February 28, 2017BusinessBeyond Support: 1-800-CUMMINSCummins has decided to unify there contact points under a single phone number: 1-800-CUMMINS. To learn all about their Beyond Support program click here.February 28, 2017Page 1 of 1Top StoriesTest Drives110 miles and 100 degrees in Peterbilt's Model 579Join CCJ Editor Jason Cannon and Peterbilt Marketing Manager Zach Gross on a 110-mile test drive through the scorching 100-degree Texas heat from Denton to Bowie and back.Safety & ComplianceHow a $604 million judgment is reshaping carrier safety benchmarkingHealth & wellnessStill hauling at 94: Trucker eyes Guinness record for oldest driverOils & lubricantsRising lubricant costs squeezing maintenance budgets, and the climb isn't overFeatured SponsorContinental Extreme Duty Multi V-Belts designed for extreme temps and abrasion resistance.