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RULES - USA - California Adopts On-Board Emissions System for Big Rigs
SACRAMENTO, Calif.,USA -Earthvision.net/GreenBiz.com -July 25, 2005: -- The California Air Resources Board (ARB) has adopted a regulation that reduces nitrogen oxide emissions from on-road heavy-duty trucks and buses by nearly 110 tons per day by 2020. The regulation requires engine manufacturers to install on-board diagnostic systems (OBD) on heavy duty engines beginning in 2010...
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