Putting a new cost-efficiency measure—“fluid economy”-- into play, Navistar Inc. announced yesterday that independent third-party testing has proved its International ProStar+ tractor powered by its ...

This story appears in the Aug. 20 print edition of Transport Topics. The price of diesel exhaust fluid at the pump at U.S. truck stops dropped significantly in July, following a similar decline for ...

Love’s Travel Stops announced that all of its 245 locations across the country offer diesel exhaust fluid (DEF) at the pump. Love’s began a rollout of DEF at the pump in 2011. “With construction at ...