U.S. EPA Tier 4 Final and EU Stage IV low-emissions regulations for the 75 – 173 hp node took effect on Jan. 1 of this year, requiring new standards for nitrogen oxide (NOx). While a ...
“Our Tier 4 Final engine range delivers better performance and fuel efficiency when compared to our Tier 3 offering, as well as meets the U.S. EPA emission standards of a 90% reduction in ...
In addition, the D5 dual-certification engines are engineered to meet Environmental Protection Agency (EPA) Tier 4 Final and ...
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Cummins to repower locomotives as part of pickup emissions cheating settlementAll repowers must utilize a prime mover certified to Tier 4 emission standards or more restrictive ... switch locomotive ...
Almost one year after first proposing the stricter vehicle emissions standards known as Tier 3, the US Environmental Protection Agency (EPA) today finalized ... and 1.4 million lost school days ...
The new administrator of the nation’s top environmental authority plans to follow Trump’s agenda in weakening emissions ...
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