Cummins showed off an emissions reduction concept that promises drastic reductions to NOx and particulate matter emissions in future diesel engines.
Four Republican lawmakers are spearheading an effort to audit a 2017 EPA study that found that glider kits emit substantially more harmful pollutants than newer truck models.
After a court challenge stymied its efforts to give makers of glider kits a reprieve from challenged provisions of its greenhouse gas regulations, the Environmental Protection Agency has withdrawn an order to not enforce those regulations against small manufacturers of glider kits.
Denso announced it has expanded its PowerEdge diesel aftertreatment products line to include light- and medium-duty trucks and vans.
Several members of Congress have asked the inspector general of the Environmental Protection Agency to look into allegations that there was improper contact between Volvo Group, the Truck & Engine Manufacturers Association, and the EPA regarding the agency’s regulation of glider kits under its Greenhouse Gas Phase 2 rules.
Even though many fleets think diesel fuel is just diesel fuel, the right fuel formulation and supplier can have an impact on operations.
Millions of dollars in settlements from the VW diesel emissions cheating scandal will be made available for clean vehicle technology in California and Connecticut.
The California Air Resources Board has announced a public hearing on a proposed rule change that would extend maintenance support for faulty emissions control systems in heavy-duty trucks.
Volkswagen CEO Matthias Mueller is being replaced by Volkswagen brand chief Herbert Diess, in a week full of news for the German-based auto and commercial vehicle maker.
Two Democratic senators who oversee environmental issues sent a letter on March 12 to Environmental Protection Agency Administrator Scott Pruitt, urging him to reverse his November 2017 proposal to repeal air emission standards for glider kits.