August 24, 2019
Heavy duty trucks could face ‘smog checks’
SACRAMENTO – (INT) - Legislation establishing ‘smog check’ requirements for heavy-duty diesel trucks in California has been introduced in the State Legislature.

Senator Connie M. Leyva (D-Chino) notes that unlike personal vehicles, current law does not require heavy-duty vehicles to have the same types of smog checks that have been required for passenger cars.

Around one million heavy-duty trucks drive on California roads annually and are major contributors to the state’s poor air quality conditions. California has some of the worst air quality in the nation, including areas such as the Central Valley and the Inland Empire—which serves as the primary route for transporting goods from the Ports of Long Beach and Los Angeles to inland warehouses and the rest of the nation.

It’s estimated that heavy-duty trucks operating in California account for nearly 60 percent of the harmful nitrogen oxides (NOx) emissions from mobile sources and are the largest source of diesel particulate matter (PM 2.5), a carcinogenic and toxic air contaminant.
Story Date: February 13, 2019
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