California Air Resource Board (CARB) Regulations

In 2008, CARB imposed two new regulations to reduce greenhouse gas emissions (GHG) from an estimated one million heavy-duty trucks that operate in California. One was created to improve the fuel efficiency of heavy-duty tractors that pull 53-foot or longer box-type trailers. In the attempt to improve fuel efficiency, CARB mandated the installation of “SmartWay” verified aerodynamic technology and the use of low rolling resistance tires. This regulation was called the Heavy Duty (Tractor Trailer) Vehicle Greenhouse Gas Reduction Regulation.

The regulation was projected to reduce GHG emissions by 1 million metric tons of carbon dioxide- equivalents statewide by 2020. The regulation was also anticipated to save the trucking industry $8.6 billion in fuel savings, and reduce consumption by 5 billion gallons across the country and 750 million gallons in California.

The second regulation was the Statewide Truck and Bus rule that required truck owners to install diesel exhaust filters on their rigs, the rule was designed so nearly all vehicles would be upgraded by 2014. Truck owners were asked to replace engines older than 2010 model year according to a staggered implementation schedule that extends from 2012 to 2020. This regulation was estimated to reduce diesel emissions 68 percent by 2014 and NOx by 25 percent. The regulation is expected to save 9,400 lives between 2011 and 2025, and greatly reduce health care costs. The benefits have an estimated value of $48 billion to $69 billion.

Read further for more information on how the CARB regulations affect your business.