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 ...

Pricing for diesel exhaust fluid (DEF) followed slightly divergent paths between February and March this year, with DEF prices at the pump falling by a penny per gallon while bulk tote prices actually ...

TORONTO, Ont. — By chance, I landed a week-long city run with a leased International ProStar+ paired with a production model EPA2010-compliant MaxxForce 13 engine. I’ve been anxious to try this engine ...

This story appears in the April 30 print edition of Transport Topics. Executives at three major truck stop chains said that they are installing diesel exhaust fluid pumps on fuel islands at all or ...