Cummins Westport 2018 Natural Gas Engines Certified by US EPA and CARB
By NGV Global News.
Cummins Westport Inc. has received certifications from both the U.S. Environmental Protection Agency (EPA) and California Air Resources Board (CARB) for its 2018 L9N and B6.7N natural gas engines. Both engines meet CARB optional Low NOx 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.