California Smog Check Program

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The American flag stands against the backdrop of a smoggy Los Angeles in 1972. The California Smog Check Program is an attempt to reduce smog in California.

The California Smog Check Program requires vehicles that were manufactured in 1976 or later to participate in the biennial (every two years) smog check program in participating counties.[1] The program's stated aim is to reduce air pollution from vehicles by ensuring that cars with excessive emissions are repaired in accordance with federal and state guidelines. With some exceptions, gasoline-powered vehicles, hybrid vehicles, and alternative-fuel vehicles that are eight model-years old or newer are not required to participate; instead, these vehicles pay a smog abatement fee for the first 8 years in place of being required to pass a smog check. The eight-year exception does not apply to nonresident (previously registered out-of-state) vehicles being registered in California for the first time, diesel vehicles 1998 model or newer and weighing 14,000 lbs or less,[2][3] or specially constructed vehicles 1976 and newer.[3] The program is a joint effort between the California Air Resources Board, the California Bureau of Automotive Repair, and the California Department of Motor Vehicles.

A Smog Check is not required for electric, diesel powered manufactured before 1998 or weighing over 14,000 lbs, trailers, motorcycles, or gasoline powered vehicles 1975 or older.[4] In April 2015, hybrid vehicles became subject to smog check requirements.[5]

Although vehicles 1975 and older are not required to get a smog check, owners of these vehicles must still ensure that their emissions systems are intact.[citation needed]

Anyone wishing to sell a vehicle that is over four years old must first have a smog check performed. It is the seller's responsibility to get the smog certificate prior to the sale. If the vehicle is registered in California and was acquired from a spouse, domestic partner, sibling, child, parent, grandparent, or grandchild it is exempt.[4]

California's history with smog

According to the California EPA, "Californians set the pace nationwide in their love affair with cars".[6] The state's 34 million residents own approximately 25 million cars—one for every adult aged 18 years or older.[6]

Smog is created when

nitrogen oxides (NOx) and hydrocarbon gases (HC) are exposed to sunlight.[7] The five gasses monitored during a smog check are hydrocarbons, carbon monoxide (CO), nitrogen oxides (NOx), carbon dioxide (CO2), and oxygen (O2).[7]

Impact on human health

In 1998 the Air Resource Board identified diesel particulate matter as

carcinogenic. Further research revealed that it can cause life-shortening health problems such as respiratory illness, heart problems, asthma, and cancer. Diesel particulate matter is the most common airborne toxin that Californians breathe.[6]

Between 2005 and 2007 air pollution led to almost 30,000 hospital and emergency room visits in California for asthma, pneumonia, and other respiratory and cardiovascular ailments.[8] A study by RAND Corporation showed the cost to the state, federal and private health insurers was over $193 million in hospital-based medical care. John Romley lead author of the study. said "California's failure to meet air pollution standards causes a large amount of expensive hospital care."[9] According to the American Lung Association, California's dirty air causes 19,000 premature deaths, 9,400 hospitalizations and more than 300,000 respiratory illnesses including asthma and acute bronchitis.[10]

A study of children living in Southern California found that smog can cause asthma.[11] The study of over 3,000 children showed those living in high-smog areas were more likely to develop asthma if they were avid athletes, when compared to children who did not participate in sports.[11]

More people in California live in areas that do not meet federal clean air standards than in any other state.[9] A report by the American Lung Association states that some areas in California are the most polluted in the United States, with air quality that is likely damaging the health of millions of people.[12] The report finds that Los Angeles, Bakersfield (CA), and Visalia-Porterville (CA) rank among the five U.S. cities most polluted with particulates and ozone.[12]

Impact on global warming

Carbon dioxide (CO2) is a greenhouse gas that is associated with global warming. Vehicles are a significant source of CO2 emissions and thus contribute to global warming.[13] According to an advocacy group Environmental Defense, in 2004, automobiles from the three largest automakers in the US – Ford, GM, and DaimlerChrysler – contributed CO2 emissions that were comparable to those from the top 11 electric companies.[13]

Historically, California was hottest in July and August, but as climate change takes place, the temperature may be extended from July through September, according to a report from the team established by the Air Resource Board. Some climate change simulations indicate the global warming impact on California will be an increase in the frequency of hot daytime and nighttime temperatures. The climate change simulations also indicate that drying in the Sacramento area may be evident by the mid 21st century.[14] The California sea level has risen at about 7 inches per century, but this trend could change with global warming. According to the report by the Climate Action Team, “[t]he sea-level rise projections in the 2008 Impacts Assessment indicate that the rate and total sea-level rise in future decades may increase substantially above the recent historical rates”.[14] While all sectors are vulnerable to rising sea-levels, 70 percent of those at risk are residential areas.[14] Hospitals, schools, water treatment plants, and other buildings may be at risk of flooding.[14]

Climate change may also affect California's diverse agricultural sector, since it is likely to change precipitation, temperature averages, pest and weed ranges, and the length of the growing season (this affecting crop productivity). In one study, researchers looked at the possible effects on the agricultural sector in the US and identified some possible effects. Results suggested that climate change will decrease annual crop yields in the long-term, especially for cotton.[14]

Climate change in California could also impact energy consumption. Demand patterns for electricity might be affected as the mean temperatures and the frequency of hot days increases, increasing demand for cooling in summertime.[14]

Causes of smog

Air pollution has two primary sources,[

biogenic and anthropogenic. Biogenic sources are natural sources, such as volcanoes that spew particulate matter, lightning strikes that cause forest fires, and trees and other vegetation that release pollen and spores into the atmosphere.[15]

Californian greenhouse gas emissions come mostly from transportation, utilities, and industries including refineries, cement, manufacturing, forestry, and agriculture.[14] In 2004, transportation accounted for approximately 40 percent of total greenhouse gas emissions in California.[14] About 80 percent of that came from road transportation.[14]

Population growth increases air pollution, as more vehicles are on the road. California's large population significantly contributes to the high amount of smog and air pollution in the state.[citation needed] In 1930, California's population was less than six million people and the total registered vehicles were two million.[16]

Topography

California has a unique topography[

temperature inversions can trap tiny particles of smoke and exhaust from vehicles and anything else that burns fuel. This keeps pollution closer to the ground.[17]

History of the Smog Check Program

In 1974 American automobiles manufactured on or after 1966 required a smog inspection upon change of ownership in California by a licensed MVPC Class A Installer/Adjuster technician (Smog Check I). An aftermarket "NOx kit" would be installed on all 1966 to 1973 American automobiles to lower Nitrous Oxide emissions. After the 1973 model year, automobile manufacturers were required to factory install NOx devices (usually in the form of EGR valves) on all cars sold in California. HC and CO (hydrocarbon and carbon monoxide) limits at idle were also checked by an infrared exhaust analyzer and manually recorded by the technician. A $50 repair cost limit was imposed on vehicles that did not pass emission standards. The first truly comprehensive “Smog Check” program was implemented in March 1984. It came about as a result of "SB 33" which was passed in 1982. The program included a biennial and change of ownership testing, "BAR 84" emissions test plus a visual and functional inspection of various emission control components, a $50 repair cost limit (unless emission device tampering was noted), licensing shops to perform smog checks and mechanic certification for emissions repair competence.[18] The program is generally known as “BAR 84” program. During the BAR 84 program, the first acceleration simulation mode (ASM) test was implemented which tests for two gases, HC and CO (hydrocarbons and carbon monoxide) while the vehicle was run at 2500 RPM for 30 seconds (static test). EGR device functions were also tested for NOx emissions.

Automobiles with a motor swap performed prior to the March 19, 1984 mandate which was older than the model year of the vehicle e.g. a 1970 LT-1 350 swapped into a 1975 Chevrolet with the 1970 smog gear intact (with documentation e.g. receipts) are considered noncompliant illegal engine swaps including nonstock exhaust swaps e.g. dual catalytic converters with a true dual exhaust not original to the vehicle - this means that the engine swap performed after the date of enactment must be the same model year or newer. Engine swaps which are the same year or newer where the vehicle class did not have it as a manufacturer option (from a Chevrolet S-10 with a late model LSx powertrain transplant with the associated smog gear intact salvaged from the donor vehicle which includes the

OBDII diagnostic connections and associated exhaust system with the catalytic converter
attached including the secondary downstream oxygen sensor (catalytic converter must be California legal which has a serial number and build date mandated under California state law) must be approved by a 'referee' smog test station where the engine/transmission package is certified where a silver tag is stickered to the door jamb. Although the engine may be newer than the vehicle model year even with an OBDII upgrade the automobile must be tested based on the model year using the test criteria based on the VIN and registration. This means that even with an OBDII powertrain upgrade regardless of the engine swap being 1996 and newer, the vehicle being smogged must be tested using BAR97 criteria, not the OBDII standard procedure.

In 1997 important laws were passed that made significant changes to Smog Check II.[18]

  • AB 57 created a financial assistance program.
  • AB 208 provided funding for low-income assistance and vehicle retirement
  • AB 1492 exempted vehicles less than four years old from the biennial smog check
  • AB 42 exempted vehicles manufactured before 1978 from smog check testing. Also required that vehicles 20 years old or older be exempt from the Smog Check program starting in 2004. AB 42 established a brief rolling chassis exemption until it was repealed in 2006 where 1976 and newer vehicles were subjected to emission testing.

In 1999, “AB 1105” made additional changes to the program. It authorized but did not require the Bureau of Automotive Repairs (BAR) to exempt vehicles up to six years old from the biennial smog check and gave the agency authorization to except additional vehicles by low-emitter profiling (Schwartz). It also created additional changes to the repair assistance program and provided BAR with increased flexibility for how much to pay drivers whose vehicle failed the smog check so that the vehicle may be scrapped.[18]

In 2010 the Air Resource Board and the Bureau of Automotive Repair jointly sponsored legislation, "AB 2289", that is designed to improve the program to reduce air pollution through “the use of new technologies that provide considerable time and cost savings to consumers while at the same time improving consumer protections by adopting more stringent fine structures to respond to stations and technicians that perform improper and incomplete inspections”.[19] The bill, which passed and took effect in 2013, will allow for a major upgrade in technologies used to test vehicle emissions. According to ARB Chairman, Mary D. Nichols, “[t]his new and improved program will have the same result as taking 800,000 vehicles away from California residents, also resulting in a more cost effective program for California motorists”.[19] One way the program would reduce costs is by taking advantage of on-board diagnostic (OBDII) technology that has been installed on new vehicles since 1996. The program will eliminate tailpipe testing of post-1999 vehicles and instead use the vehicle's own emissions monitoring systems. This system has saved consumers in 22 states time and money.[19] Vehicles manufactured in the model years between 1976 and 1999 are now required to pass a more stringent dynamometer-based tail-pipe test than was previously required.[20][21] A high number of vehicles in this range have begun to fail the emissions test with the arrival of their first test-year under the new rule; some question the influence of the automotive industry on the new rule and the inherent push and perceived unfair requirement to purchase a new or near-new vehicle to replace an otherwise functional and OBDII compliant vehicle.[22][23]

Smog check process

The Department of Motor Vehicles (DMV) sends a registration renewal notice which indicates if a smog check is required. If the DMV requires a smog check for a vehicle, the owner must comply with the notice within 90 days and provide a completed smog check certificate.[4]

A smog check inspection is performed by a station that has been licensed by the California Bureau of Automotive Repair (BAR). Depending on the situation, the owner may be required to take the vehicle to one of the following types of smog check stations:

  • Test-only station, one that can perform the smog check test, but cannot make repairs.
  • Test-and-repair station, one that can both perform the smog check and repair the vehicle.
  • Repair-only station, one that can only repair the vehicle, but cannot perform the test itself.
  • STAR station, one that meets the BAR's higher performance standards. Some STAR stations are test-only stations, while other STAR stations are test-and-repair.[24]

Until a smog certificate can be provided registration will not be renewed. If the vehicle fails the smog check, the owner will be required to complete all necessary repairs and pass a smog check retest in order to complete the registration. If the costs of repairing the vehicle outweigh its value, the state may buy it and have it scrapped. The buyback program is part of California's Consumer Assistance Program (CAP) that also offers consumer assistance for repairs related to smog check. The program is administered by the Bureau of Automotive Repair.[4]

Participating counties

Residents in certain counties, primarily rural ones, are normally exempt from the smog inspection requirements.[1]

County Smog check required?
(As of 2022)[1]
Alameda Yes
Alpine No
Amador No
Butte Yes
Calaveras No
Colusa Yes
Contra Costa Yes
Del Norte No
El Dorado No
Fresno Yes
Glenn Yes
Humboldt No
Imperial No
Inyo No
Kern Yes
Kings Yes
Lake No
Lassen No
Los Angeles Yes
Madera Yes
Marin Yes
Mariposa No
Mendocino No
Merced Yes
Modoc No
Mono No
Monterey Yes
Napa Yes
Nevada Yes
Orange Yes
Placer Yes
Plumas No
Riverside No
Sacramento Yes
San Benito Yes
San Bernardino No
San Diego No
San Francisco Yes
San Joaquin Yes
San Luis Obispo Yes
San Mateo Yes
Santa Barbara Yes
Santa Clara Yes
Santa Cruz Yes
Shasta Yes
Sierra No
Siskiyou No
Solano Yes
Sonoma Yes
Stanislaus Yes
Sutter Yes
Tehama Yes
Trinity No
Tulare Yes
Tuolumne No
Ventura Yes
Yolo Yes
Yuba Yes

Policy tools

Air is susceptible to the

Tragedy of the Commons, but that can be overcome with policy tools.[25] In their book Environmental Law and Policy, Salzman and Thompson describe these policy tools as the "5 P’s" - Prescriptive Regulation, Property Rights, Penalties, Payments, and Persuasion.[25]

Throughout the years there have been some tensions between the US EPA and the California EPA with disagreements centered on California's Smog Check Policy (The Press-Enterprise, 1997). One disagreement has been over where smog checks are performed. The EPA believes that smog checks and smog repairs must be done separately, to avoid conflicts of interest.[26]

For years, California has been asking the US EPA to approve a waiver allowing it to enforce its own greenhouse gas emission standards for new motor vehicles. A request was made in December 2005, but denied in March 2008 under the Bush administration, when interpretations of the Clean Air Act found California did not have the need for special emission standards.[27] However, shortly after taking office, president Obama asked the EPA to assess if it was appropriate to deny the waiver and subsequently allowed the waiver. US EPA's interpretation of the Clean Air Act allows California to have its own vehicle emissions program and set greenhouse gas standards due to the state's unique need.[27]

Car manufacturers have been strongly opposed to the emission standards set by California, arguing that regulation imposes further costs on consumers. In 2004, California approved the world's most stringent standards to reduce auto emissions, and the auto industry threatened to challenge the regulations in court. The new regulations required car makers to cut exhaust from cars and light trucks by 25% and from larger trucks and SUVs by 18%, standards that must be met by 2016.[28] The auto industry argued that California's Air Resource Board did not have the authority to adopt such regulation and that the new standards could not be met with the current technology. They further argued that it would raise vehicle costs by as much as $3,000. The agency, however, countered that argument by saying that the additional costs would only be about $1,000 by 2016.[28]

The Obama administration has proposed setting a national standard for greenhouse gas emissions from vehicles, which could potentially increase fuel efficiency by an average of 5% per year from 2012 to 2016.[29]

Evaluation

According to the California Air Resources Board, the California Smog Check program removes about 400 tons of smog-forming pollutants from California's air every day.[30]

On March 12, 2009, the Bureau of Automotive Repair and the Air Resource Board hired Sierra Research, Inc. to analyze the data collected in the BAR's Roadside Inspection Program to evaluate the effectiveness of the Smog Check Program from data collected in 2003–2006. Under the Roadside Inspection Program vehicles are randomly inspected at checkpoints set up by the California Highway Patrol (CHP). One objective of the evaluation was to compare the post smog check performance of pre-1996 (1974–1995) vehicles to the post smog check performance determined from a previous evaluation collected in 2000–2002.[31] The report made several recommendations to reduce the number of vehicles failing the Roadside test. One was to develop a method for evaluating station performance. The other was to perform inspections immediately following certifications at smog check stations. Finally, the report recommended continued use of the Roadside test to evaluate the effectiveness of the Smog Check program.[32]

References

  1. ^ a b c "Smog Information". www.dmv.ca.gov. California Department of Motor Vehicles. Retrieved January 21, 2022. Frequently Asked Questions: Do I have to get a smog inspection when I renew my registration? ... If you live in one of these counties, you need a smog inspection when you renew your vehicle registration: ...
  2. ^ "Ca. Dept. of Consumer Affairs, Bureau of Automotive Repair: Vehicles Subject to Smog Check" (Web). bar.ca.gov. Retrieved 2020-05-10.
  3. ^ a b "State of California Laws and Regulations Sec. 44011(a)(1)(C)" (PDF). bar.ca.gov. 2012-01-01. p. 94. Retrieved 2012-02-15.
  4. ^ a b c d Vehicles, California Department of Motor. "Smog Requirements". dmv.ca.gov.
  5. ^ "Hybrid Vehicle Exempted From Initial Smog Check". www.bar.ca.gov. Retrieved 2015-06-03.
  6. ^ a b c "Air Resources Board: The History of California Environmental Protection Agency". Calepa.ca.gov. Archived from the original on 2011-03-21. Retrieved 2011-04-14.
  7. ^ a b DK. "Smog Check Coupon: smog check repair, smog check test only, California smog test and repair". SmogSearch.com. Retrieved 2011-04-14.
  8. ^ Shevory, Kristina (2010-03-12). "Health Costs of California Air Pollution - NYTimes.com". Green.blogs.nytimes.com. Retrieved 2011-04-14.
  9. ^ a b "Dirty Air in California Caused $193 Million in Hospital-Based Medical Costs During 2005 to 2007". RAND. 2010-09-27. Retrieved 2011-04-14.
  10. ^ "Despite Improvements, California Has Some of the Dirtiest Air in the Nation - American Lung Association". American Lung Association. Archived from the original on 2011-05-20. Retrieved 2011-04-14.
  11. ^ a b "Smog linked to asthma in children". Usatoday.Com. 2002-02-01. Retrieved 2011-04-14.
  12. ^ a b "Air Pollution High in California Cities". Webmd.com. 2009-04-29. Retrieved 2011-04-14.
  13. ^ a b staff (2006-06-28). "U.S. Emits Nearly Half World's Automotive Carbon Dioxide". Ens-newswire.com. Retrieved 2011-05-07.
  14. ^ a b c d e f g h i "Climate Action Team Biennial Report, Draft Report" (PDF). Retrieved 2011-04-14.
  15. ^ "Air Pollution - Sources of Pollutants in the Ambient Air | Air Pollution Control Orientation Course | Air & Radiation | US EPA". Epa.gov. 2006-06-28. Retrieved 2011-04-14.
  16. ^ "Key Events in the History or Air Quality in California". Arb.ca.gov. Archived from the original on 2011-03-16. Retrieved 2011-04-14.
  17. ^ "Education: All About Smog - Air Pollution Problems". Arb.ca.gov. Retrieved 2011-04-14.
  18. ^ a b c "Asset report" (PDF). www.feat.biochem.du.edu.
  19. ^ a b c "Archived copy" (PDF). Archived from the original (PDF) on 2011-04-19. Retrieved 2011-04-13.{{cite web}}: CS1 maint: archived copy as title (link)
  20. ^ "SMOG CHECK REQUIREMENTS BY VEHICLE TYPE" BAR Rev. 11/14 /2014 http://www.bar.ca.gov/pdf/Smog_Check_Requirements_by_Vehicle_Type.pdf
  21. ^ "Smog Check Fact Sheet" http://www.smogcheck.ca.gov/FormsPubs/Fact_Sheets_and_Brochures/Program_Areas.html
  22. ^ "Warning; new California smog law" alfabb.com last accessed 11/29/2014 http://www.alfabb.com/bb/forums/spider-1966-up/335922-warning-new-california-smog-law.html
  23. ^ "Failed CA SMOG - Help please" bangshift.com last accessed 11/29/2014 http://www.bangshift.com/forum/forum/bangshift/tech-section/948359-failed-ca-smog-help-please
  24. ^ Repair, State of California, Dept. of Consumer Affairs, Bureau of Automotive. "Smog Check Stations Fact Sheet". www.smogcheck.ca.gov.{{cite web}}: CS1 maint: multiple names: authors list (link)
  25. ^
    ISBN 978-1-59941-771-4
    .
  26. ^ "A Day of Action – Smog Checks". The Orange County Register
  27. ^ a b "06/30/2009: EPA Grants California GHG Waiver". Yosemite.epa.gov. Retrieved 2011-04-14.
  28. ^ a b "California OKs toughest car emission rules". Green Machines. NBCNews.com. Associated Press. September 24, 2004. Retrieved 2016-05-05.
  29. ^ "Obama's Remarks on New Car Emissions Rules - Auto Industry Tracker - WSJ". Blogs.wsj.com. 2009-05-19. Retrieved 2011-04-14.
  30. ^ "Things You Should Know About Smog Check in California". Autorepair.ca.gov. Retrieved 2011-04-14.
  31. ^ "Map" (PDF). www.arb.ca.gov. 2009.
  32. ^ Evaluation of the California smog check program using random roadside data (PDF), retrieved 2011-04-30

External links

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