CARB: Wikis


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California Air Resources Board
Logo of the Air Resources Board
Agency overview
Formed 1967
Preceding agencies Bureau of Air Sanitation
Motor Vehicle Pollution Control Board
Headquarters 1001 I Street Sacramento, California
Annual budget $759 million
Agency executive Mary D. Nichols, Chairman
Parent agency California Environmental Protection Agency

The California Air Resources Board, also known as (CARB) is the "clean air agency" in the government of California. Established in 1967 in the Mulford-Carrell Act, combining the Bureau of Air Sanitation and the Motor Vehicle Pollution Control Board, the ARB is a department within the cabinet-level California Environmental Protection Agency. California is the only state that is permitted to have such a regulatory agency, since it is the only state that had one before the passage of the federal Clean Air Act. Other states are permitted to follow the ARB standards, or use the federal ones, but not set their own.

The stated goals of ARB include attaining and maintaining healthy air quality; protecting the public from exposure to toxic air contaminants; and providing innovative approaches for complying with air pollution rules and regulations.

The governing board is made up of eleven members appointed by the state's governor. Half of the appointees are experts in professional and science fields such as medicine, chemistry, physics, meteorology, engineering, business, and law. Others represent the pollution control agencies of regional districts within California - Los Angeles region, San Francisco Bay area, San Diego, the San Joaquin Valley, and other districts.


ARB's organizational structure

ARB has nine major divisions:[1]

  • Administrative Services Division
  • Enforcement Division
  • Mobile Source Control Division
  • Mobile Source Operations Division
  • Monitoring and Laboratory Division
  • Office of Information Services
  • Planning and Technical Support Division
  • Research Division
  • Stationary Source Division

Planning and Technical Support Division

The Planning and Technical Support Division assesses the extent of California's air quality problems and the progress being made to abate them, coordinates statewide development of clean air plans and maintains databases pertinent to air quality and emissions. The Division's technical support work provides a basis for clean air plans and ARB's regulatory programs. This support includes management and interpretation of emission inventories, air quality data, meteorological data and of air quality modeling.[2]

The Planning and Technical Support Division has five branches:

Atmospheric Modeling & Support Section

The Atmospheric Modeling & Support Section is one of three sections within the Modeling & Meteorology Branch. The other two sections are the Regional Air Quality Modeling Section and the Meteorology Section.[2]

The air quality and atmospheric pollution dispersion models[3][4] routinely used by this Section include a number of the models recommended by the U.S. Environmental Protection Agency (EPA). The Section also uses models which were either developed by ARB or whose development was funded by ARB, such as:

  • CALPUFF – Originally developed by the Sigma Research Company (SRC) under contract to ARB. Currently maintained by the TRC Solution Company under contract to the U.S. EPA.
  • CALGRID – Developed by ARB and currently maintained by ARB.[5]
  • SARMAP – Developed by ARB and currently maintained by ARB.[6]

Role in reducing greenhouse gases

Alternative Fuel Vehicle Incentive Program

Alternative Fuel Vehicle Incentive Program (also known as Fueling Alternatives) is funded by the California Air Resources Board (ARB), offered throughout the State of California and administered by the California Center for Sustainable Energy (CCSE).

Zero emissions vehicle

The ZEV Program was enacted by ARB to promote the use of zero emission vehicles in California.[7] The first ruling was the 1990 Low-Emission Vehicle (LEV I) Program.[8][9] The ZEV regulation has evolved and been modifed several times since 1990, and several new partial or low-emission categories were created such as:[9][10][11] LEV (Low Emission Vehicle), ULEV (Ultra Low Emission Vehicle), SULEV (Super Ultra Low Emission Vehicle), PZEV (Partial Zero Emission Vehicle), and AT PZEV (Advanced Technology PZEV).

Low-carbon fuel standard

The Low-Carbon Fuel Standard (LCFS) requires oil refineries and distributors to ensure that the mix of fuel they sell in the Californian market meets the established declining targets for greenhouse gas emissions measured in CO2-equivalent grams per unit of fuel energy sold for transport purposes. The 2007 Governor's LCFS directive calls for a reduction of at least 10% in the carbon intensity of California's transportation fuels by 2020. These reductions include not only tailpipe emissions but also all other associated emissions from production, distribution and use of transport fuels within the state. Therefore, California LCFS considers the fuel's full life cycle, also known as the "well to wheels" or "seed to wheels" efficiency of transport fuels.[8][12] The standard is also aimed to reduce the state’s dependence on petroleum, create a market for clean transportation technology, and stimulate the production and use of alternative, low-carbon fuels in California.[13]

On April 23, 2009, ARB approved the specific rules for the LCFS that will go into effect in January 2011.[14][15] The rule proposal prepared by its technical staff was approved by a 9-1 vote, to set the 2020 maximum carbon intensity reference value to 86 grams of carbon dioxide released per megajoule of energy produced.[13][16]

PHEV Research Center

The PHEV Research Center was launched with fundings from the California Air Resources Board.

See also


  1. ^ CARB's Divisions
  2. ^ a b ARB's Planning and Technical Support Division
  3. ^ Turner, D.B. (1994). Workbook of atmospheric dispersion estimates: an introduction to dispersion modeling (2nd Edition ed.). CRC Press. ISBN 1-56670-023-X.
  4. ^ Beychok, Milton R. (2005). Fundamentals of Stack Gas Dispersion (4th Edition ed.). author-published. ISBN 0-9644588-0-2.
  5. ^ CALGRID Model
  6. ^ ARB's SARMAP Model
  7. ^ "California's Zero Emission Vehicle (ZEV) Program". Union of Concerned Scientists. 2009-01-30. Retrieved 2009-04-21.  
  8. ^ a b Sperling, Daniel and Deborah Gordon (2009), Two billion cars: driving toward sustainability, Oxford University Press, New York, pp. 24 and 189-191, ISBN 978-0-19-537664-7  
  9. ^ a b "Zero-Emission Vehicle Legal and Regulatory Activities: The ZEV Program Timeline". California Air Resources Board. 2008-12-18. Retrieved 2009-04-21.  
  10. ^ "Fact Sheet: California Vehicle Emissions" (pdf). California Air Resources Board. 2004-04-08. Retrieved 2009-04-21.  
  11. ^ Sherry Boschert (2006), Plug-in Hybrids: The Cars that will Recharge America, New Society Publishers, Gabriola Island, Canada, pp. 15–28, ISBN 978-0-86571-571-4   See the box "Zero-Emission Vehicle (ZEV) Mandate Timeline", pp. 23-28
  12. ^ "Low-Carbon Fuel Standard Program". California Air Resources Board. 2009-04-14. Retrieved 2009-04-23.  
  13. ^ a b "Proposed Regulation to Implement the Low Carbon Fuel Standard. Volume I: Staff Report: Initial Statement of Reasons" (PDF). California Air Resources Board. 2009-03-05. Retrieved 2009-04-26.  
  14. ^ Wyatt Buchanan (2009-04-24). "Air Resources Board moves to cut carbon use". San Francisco Chronicle. Retrieved 2009-04-25.  
  15. ^ The Associated Press (2009-04-24). "Calif. Approves Nation's 1st Low-Carbon Fuel Rule". New York Times. Retrieved 2009-04-25.  
  16. ^ UNICA Press release (2009-04-24). "Sugarcane Ethanol Passes Critical Test in California". World-Wire. Retrieved 2009-04-25.  

External links


Carb may refer to:

Carb may refer to:


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