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.

California air resources board doors program. Doors resources overview booklet en español. Contact the doors hotline. Programs are how the board works to protect public health by improving and protecting air quality. Construction equipment is a major contributor to air pollution especially when large construction projects are adjacent to neighborhoods.

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. 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. 1 877 59 doors 1 877 593 6677 or doors arb ca gov. The california air resources board typically has monthly meetings with the agenda available at least 10 days prior to the meeting date.

Owners of portable engines and other types of equipment to register under the statewide portable equipment registration program perp. Nichols opens a new window. Chair california air resources board mary d. Carb will have two board meetings in september.

Use the following userguides and forms for diesel vehicles reported in the off road diesel side of doors. The california air resources board is one of six boards departments and offices under the umbrella of the california environmental protection agency. Gasoline propane and cng fuel 25 horsepower and greater and greater than 1 liter displacement operating in california. Doors is the online tool set up to help vehicle owners report vehicle inventories and actions taken to reduce vehicle emissions.

This includes vehicles that are rented or leased rental or leased fleets. 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.