Engine maker Cummins to recall 500,000 trucks after failed emissions tests

Enlarge / UNITED STATES - AUGUST 27: Engine blocks are moved by a forklift operator before the assembly process at the Cummins Inc. engine plant in Walesboro, Indiana, Monday, Aug. 27, 2007. (Photo by Tom Strickland/Bloomberg via Getty Images) (credit: Getty Images)

On Tuesday, the California Air Resources Board (CARB) announced that its real-world driving tests had discovered higher-than-expected emissions levels from medium- and heavy-duty trucks with Cummins engines.

Cummins cooperated with CARB and already has ways to fix the vehicles to bring their engines' emissions numbers back in line. But the company will voluntarily recall around 500,000 trucks produced between 2010 and 2015 in order to come back into compliance with federal emissions standards.

You'd be forgiven for thinking this sounds like Volkswagen's 2015 diesel scandal. VW Group also had about 500,000 cars implicated in the US after a series of real-world tests found that its cars were producing emissions in excess of what Volkswagen reported to the Environmental Protection Agency.

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