*** Based on replacing (8) Michelin X ® Line Energy T tires with Alcoa ® Ultra ONE wheels with (4) Michelin X One Line Energy T2 Tires with Alcoa ® Ultra ONE wheels. Actual results may vary, and may be impacted by many factors, to include road conditions, weather, environment, combination of steer and drive tires used, driving habits, tire size, equipment and maintenance. EPA as part of their SmartWay ® Program has demonstrated incremental fuel savings when low rolling resistance tires are used just on the tractor and/or just on the trailer. * Based on internal rolling resistance tests using ISO 28580 test method using comparable line haul trailer tires in tire size 275/80R22.5 LRG for the Michelin X ® Line Energy T and 445/50R22.5 LRL for the Michelin X One Line Energy T2 tire.