The company says its dual-fuel gliders outperform and are more reliable than dedicated natural gas engines that customers are evaluating.
Test Drive: Clarke-APG Dual-Fuel Glider
From the ground and behind the wheel, you’d think this Freightliner Columbia is brand new. This was obvious on a run out on Interstate 70 in eastern Missouri, pulling a hopper-bottom trailer with a heavy load of granulated lime destined for an animal-food plant in Montgomery City, west of St. Louis. It rode, shifted and ran like new, and was just as comfortable.