California Air Resources Board Doors Program

On july 26 2007 the california air resources board carb adopted the regulation for in use off road diesel fueled fleets off road diesel regulation to reduce diesel particulate matter pm and oxides of nitrogen nox emissions from in use existing off road heavy duty diesel vehicles in california.

California air resources board doors program.

The in use off road diesel fueled fleets regulation off road regulation applies to all self propelled off road diesel vehicles 25 horsepower or greater used in california and most two engine vehicles except on road two engine sweepers. To address this source of air pollution the california air resources board adopted the nation s first regulation aimed at cleaning up off road construction equipment such as bulldozers graders and backhoes. Gasoline propane and cng fuel 25 horsepower and greater and greater than 1 liter displacement operating in california. The california air resources board is one of six boards departments and offices under the umbrella of the california environmental protection agency.

Programs support all aspects of the work of the carb from research and measurements to policy implementation and regulation enforcement. This includes vehicles that are rented or leased rental or leased fleets. Nichols opens a new window. Doors resources overview booklet en español.

Carb will have two board meetings in september. Doors is the online tool set up to help vehicle owners report vehicle inventories and actions taken to reduce vehicle emissions. Owners of portable engines and other types of equipment to register under the statewide portable equipment registration program perp. Board meetings are open to the public and also are available via webcast.

Please note that by signing up for a doors account you consented to receive electronic information from california air resources board carb and attested that you have the technological elements needed to properly use doors. Chair california air resources board mary d. Programs are how the board works to protect public health by improving and protecting air quality. 1 877 59 doors 1 877 593 6677 or doors arb ca gov.

The off road diesel ord regulation requires reporting to the california air resources board. Construction equipment is a major contributor to air pollution especially when large construction projects are adjacent to neighborhoods.