EPA said its new emission standards for oxides of nitrogen (NOX) from medium- and heavy-duty on-highway engines are more than 80% stronger than current standards.
Executive Editor of School Bus Fleet, Wes Platt, discusses the Diesel Technology Forum's report on dominant fuel technologies in school bus fleets.
For vehicles being put back into service after a prolonged period — particularly in wintertime — fleets should follow these best practices when replacing diesel exhaust fluid (DEF) and engine oil to avoid mechanical issues and keep vehicles running smoothly.
Cummins and Navistar have extended their engine partnership through the next two emission cycles.
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