Legal Mentions (1) Based on internal rolling resistance tests using ISO 28580 test method comparing the BFGoodrich®® TR144 vs BFGoodrich® Highway Control® T tire in the 275/80R22.5 LRG size. Actual fuel saving results may vary, and may be impacted by many factors, to include road conditions, weather, environment, combination of steer and trailer tires used, driving habits, tire size, equipment and maintenance.