Cummins Westport receives 2018 emissions certifications for ultra-low NOx ISX12N natural gas engine

Green Car Congress
By mmillikinJan 5, 2018, 4:53 am126 pts
Cummins Westport Inc. (CWI) received certifications from both the US Environmental Protection Agency (EPA) and California Air Resources Board (ARB) for its 2018 ISX12N natural gas engine. (Earlier post.) Like the Cummins Westport L9N engine, the ISX12N meets California ARB optional Low NOx standard of 0.02…

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