Cummins, Pete Achieve Serious Fuel Economy August 1, 2014 COLUMBUS, Ind. - Cummins and Peterbilt have released test results showing their demonstration tractor-trailer achieved a 54 percent increase in fuel economy
Navistar secures funds for tire-airflow testing August 1, 2014 WARRENVILLE, Ill. -- Navistar and the U.S. government are teaming up to make hauling trailers a smoother drive.