No motor means no emissions standards, court says in trailer ruling

A U.S. court has dealt a blow to plans that would apply greenhouse gas limits and fuel-efficiency standards to heavy-duty trailers. Under a proposed rule, manufacturers would have been required…

U.S. travels two paths to lower truck emissions

TORONTO, Ont. – Two U.S. regulatory bodies are taking decidedly different paths to clean up truck emissions, leaving fleets with looming challenges including a new generation of equipment and even…

U.S. EPA plans further NOx cuts

WASHINGTON, D.C. – The U.S. Environmental Protection Agency (EPA) has announced plans to further cut nitrogen oxide (NOx) emissions from on-highway trucks and engines. Known as the Cleaner…