Caterpillar introduces engine calibrations to cut NOx

Caterpillar has unveiled what it calls “new electronic engine calibrations” that will reduce emissions of NOx by up to 7% for most 1993 to 1998 Caterpillar heavy-duty and mid-range truck engines. “The new calibrations will greatly reduce NOx emissions from current in-service engines, but will in no way affect performance, reliability or fuel economy,” said David Semlow, marketing manager, Caterpillar