Cummins Westport receives 2018 emissions certifications for L9N and B6.7N low NOx natural gas engines
Green Car Congress
DECEMBER 13, 2017
Both engines meet California ARB optional Low NO x standards, as well as 2017 EPA greenhouse gas emission (GHG) requirements, making them some of the cleanest engines available today for truck and bus customers. Cummins Westport Inc. natural gas engines. The L9N is certified to California ARB optional Low NO x standard of 0.02
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