This story appears in the Oct. 19 print edition of Transport Topics. LAS VEGAS — As the deadline nears for implementation of the latest change in federal emission rules, truck makers and fleets are ...

Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the air cleaner. After years of complaints about failure-prone diesel exhaust ...

This month marks the 10th anniversary of the American Petroleum Institute’s voluntary program for certification of diesel exhaust fluid‘s quality. Essentially, the program is modeled on the API’s ...