COLUMBUS, Ind. — The complete line of Cummins truck diesels can now meet Clean Idle requirements in California, allowing those engines to idle beyond the state Air Resources Board’s five-minute limit, ...

BD for Caterpillar or Cummins ISX engines is designed to boost fuel economy by injecting fuel earlier in the compression cycle, resulting in a longer time to burn fuel as the piston is driven down on ...

The complete line of Cummins truck diesels can now meet Clean Idle requirements in California, allowing those engines to idle beyond the state Air Resources Board's five-minute limit, the builder ...

Cummins Inc. says its ComfortGuard auxiliary power unit will meet Clean Idle requirements in California by exhausting through a diesel particulate filter. The APU's two-cylinder engine can be fitted ...