Tag: NOx


Trucking braces for new heavy-duty engine emission standards

December 14, 2022

Via: FreightWaves

The Biden administration will soon issue new tailpipe emissions standards for trucks that most truckers — from single owner-operators to owners of large fleets — warn could place heavy cost burdens onto the U.S. economy as a recession already looms. […]

Travel & Public Transit

L.A. Metro retrofits CNG buses with new Cummins engines

July 11, 2019

Via: Metro Magazine

The Los Angeles County Metropolitan Transportation Authority (Metro) completed an engine retrofit project to reduce emissions on a significant number of its fleet of more than 2,200 compressed natural gas (CNG) fueled buses. Metro repowered 125 of its transit buses […]