Overview of Vehicle Repair and
Replacement Assistance Programs

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The transportation sector continues to be a major source of criteria
pollutants and precursors, including nitrogen oxides (NOx) and
volatile organic compounds (VOCs) in ozone nonattainment and
maintenance areas across the country. While vehicle emissions-per-mile
have decreased due to advances in vehicle emission control technology,
those controls can degrade over time leading to excess pollution. State
and local governments implement vehicle inspection and maintenance
programs (I/M) to identify high-emitting vehicles and notify owners
or operators of the need to have their vehicles repaired.1 Once those
vehicles are repaired, they are retested to verify that the vehicles are
operating according to EPA's vehicle emissions standards. However,
I/M programs may present potential economic hardship and other
concerns for low-income individuals in some ozone nonattainment areas.
Specifically, these residents might own older, high-emitting vehicles and
be less able to pay for car repairs needed as the result of not passing an
I/M test. To address these concerns, some state and local governments
fund vehicle repair or replacement assistance programs for low-income
motorists. EPA encourages states with I/M programs to consider vehicle
repair and replacement programs to meet the needs of low-income
populations within their areas.2

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Introduction

Vehicle inspection and maintenance (I/M) is the periodic inspection of the emissions
control systems of motor vehicles. The goal of I/M programs across the country is the
same: identify and repair high-emitting vehicles to improve air quality in areas

For more information on I/M programs, see the "Overview of Vehicle Inspection and Maintenance
(I/M) Programs" fact sheet available at https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P1013CC0.pdf.
Proposed Rule: Detenninations of Attainment by the Attainment Date, Extensions of the Attainment
Date, and Reclassification of Areas Classified as Marginal for the 2015 Ozone National Ambient Air
Quality Standards, 87 FR21854 (April 13, 2022).

SEPA

United States
Environmental Protection
Agency

Office of Transportation and Air Quality

EPA-420-F-23-013
May 2023


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that are not attaining the national ambient air quality standard (NAAQS).3 EPA sets new vehicle
emission standards to protect public health, but those regulations do not guarantee proper
operation and maintenance of the vehicle's emission controls over its lifetime. State and local
governments implement I/M programs to identify high-emitting vehicles and notify owners
or operators to have their vehicles repaired. Some I/M programs address potential economic
hardship and other concerns for low-income individuals through vehicle repair and replacement
programs. Vehicle repair programs are the most common type of assistance program associated
with I/M. These programs generally offer vouchers to low-income individuals who have failed
an I/M emissions test. The vouchers can be used at participating repair facilities which are then
reimbursed for the cost of repairs by the administering agency or organization. Vehicle retirement
or replacement programs are another approach. Retirement or replacement programs incentivize
the removal of older, high-polluting vehicles by replacing them with newer, less-polluting vehicles,
including in some cases, hybrid, electric, or other fuel-efficient vehicles.

In 2022, EPA researched state and local I/M programs and found that repair assistance programs
are present in at least five states (Arizona, California, Colorado, Oregon, and Utah), retirement or
replacement assistance is available in two states (California and Utah), and the state of Vermont is in
the process of launching a new repair assistance program after authorization by the state legislature.4
In addition to the active and pending programs, several states offered I/M vehicle repair or
replacement assistance programs in the past but ended for various reasons including lack of funding.

Repair or Replacement Assistance Program Design

There are many factors to consider in the design, structure, and operation of vehicle emissions
repair and replacement assistance programs. The following sections summarize the decisions
that states have made regarding program type, motorist eligibility, type of assistance offered, and
funding mechanisms.

Repair Assistance Programs

As noted, vehicle repair programs are the most common type of assistance program associated
with I/M. These programs generally offer vouchers to low-income individuals who have failed
an I/M emissions test. The vouchers can be used at participating repair facilities which are then
reimbursed for the cost of repairs by the administering agency or organization.

Repair Assistance Eligibility Requirements and Application Process

Generally, repair assistance programs have eligibility requirements for participating motorists
and their vehicles. Since repair assistance programs aim to reduce economic hardship, most have
income-level eligibility requirements. Generally, the income requirement is tied to the federal

3	Some areas that were once in violation of the ozone NAAQS have chosen to retain their I/M programs as a part of a
maintenance plan to continue to meet the NAAQS.

4	Vermont 2021 Acts and Resolves No. 55, Section 22-25. An act relating to the Transportation Program and miscella-
neous changes to laws related to transportation. 2021. https://legislature.vennont.gov/Documents/2022/Docs/ACTS/
ACT055/ACT055%20As%20Enacted.pdf. Also see the 2021 Report on Vermont's Statewide Vehicle Incentive
Programs for additional history behind this program.


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poverty levels, which are updated each year and vary by household size.5 The specific threshold for
eligibility varies by program, but generally ranges from 150% of the federal poverty level to 300%
of the federal poverty level. One notable exception to the income requirement is Arizona, which
offers repair assistance up to $ 1,000 for all residents who fail a required emissions inspection
regardless of income status.6

Vehicles must also meet specific criteria before receiving assistance. All programs included here
require a failed emissions test. Generally, the failed inspection must (1) be a regular emissions
test required by the I/M program and (2) have occurred within a given time period prior to the
application for assistance (typically 30 or 60 days). One exception to this is the San Joaquin Valley
Air Pollution Control District's (SJVAPCD) "Tune In and Tune Up" program, which also supports
pre-emptive repairs for vehicles that are expected to fail an upcoming required inspection.7
SJVAPCD hosts regular events where motorists can bring a vehicle that has either already failed a
required smog check or that they have reason to think will fail (e.g., the Check Engine light is on).
At the event, all vehicles undergo a free and voluntary emissions test, and vehicles that fail and are
deemed repairable are issued a voucher for a participating facility. Some other programs, including
Colorado's and Oregon's, also require that applicants have the vehicle evaluated by a certified
technician at a state facility after failing a required emissions test and prior to being issued a repair
voucher.8 Certified technicians then diagnose the reason for the emissions failure and determine
whether the vehicle is a good candidate for repair.

In addition to a failed emissions inspection, the vehicle must not have missing or tampered
emissions control devices.9 Several programs also require that the vehicle eligible for being repaired
is model year (MY) 1996 or newer and has specifically failed an on-board diagnostics (OBD) test.
Certain counties in Utah require that vehicles be MY 2004 or newer to receive repair assistance
while older vehicles are eligible for replacement assistance instead. Finally, most programs require
that the vehicle be registered in the eligible nonattainment area. However, in some cases, vehicles
operated primarily in the nonattainment area but registered elsewhere may also be eligible. For
example, students attending school within the eligible area or employees working in the eligible
area may have their vehicle registered outside the area but could still qualify for the program.

Assistance Offered

Motorists who meet the eligibility criteria are typically required to submit an application with
proof of income and a failed emissions inspection. Once approved, applicants are typically offered
assistance in the form of a voucher to a participating certified repair facility.10

5	For more information on the Federal poverty levels, see https://aspe.lilis.gov/topics/poverty-economic-mobility/
poverty-guidelines.

6	Arizona Department of Enviromnental Quality. Voluntary Vehicle Repair Program Overview, http://azdeq.gov/
CarHelp. Accessed 5 August 2022.

7	For more information on the San Joaquin Valley Air Pollution Control District's "Tune In And Tune Up" program,
please visit https://www.valleyair.org/drivecleaninthesanjoaquin/repair/.

8	For more information on Oregon's Clean Air Partners Program, please visit https://www.oregon.gov/deq/Veliicle-
Inspection/Pages/failed-veliicle.aspx.

9	Per 40 CFR 51.360(a)(3), "Waivers shall not be issued to vehicles for tampering-related repairs. The cost of tamper-
ing-related repairs shall not be applicable to the minimum expenditure."

10	California's Consumer Assistance Program bypasses vouchers by having repair stations directly charge the state
Bureau of Automotive Repairs for pre-approved costs.


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The maximum amount of assistance available per motorist generally ranges from around $500
to $ 1,000, with motorists responsible for any costs over that amount. Several states also require
a co-pay from motorists, which can either be a flat fee (generally $30 to $100) or a percentage of
the total repair costs. In Utah, the level of assistance offered is linked to the level of need with
additional money granted to individuals with higher need.

Retirement and Replacement Assistance Programs

Retirement or replacement of older vehicles also improves air quality because newer model year
vehicles tend to be cleaner and stay cleaner longer than older model year vehicles. The two states
that currently incentivize retirement of a vehicle that has failed an emissions inspection are
Utah and California.11-12 California has multiple incentive programs that are currently operated
separately, including the Consumer Assistance Program (CAP), the Enhanced Fleet Modernization
Program (EFMP), and Clean Cars 4 All (CC4A). While various components of these programs
focus on vehicle replacement, we focus here on the CAP/EFMP Scrap-Only Program because it
requires a failed I/M emissions test. This program offers a cash incentive to retire high-emitting
vehicles. Utah's replacement program offers vouchers towards the purchase of a new, lower-
emitting vehicle in exchange for retiring the vehicle that failed the emissions test. Both programs
require that the retired vehicle is dismantled and scrapped to ensure that high-emitting vehicles are
not returned to the fleet, even outside the I/M area.

Vehicle Replacement Eligibility Requirements and Application Process

Replacement assistance programs have similar motorist eligibility requirements as repair programs.
Generally, motorists must have a household income under a threshold that is tied to federal
poverty levels. Retirement and replacement programs generally have additional requirements for
both the vehicle that is to be retired and the new vehicle being purchased.

California's CAP scrap-only retirement program requires that the vehicle to be retired has failed its
most recent required smog check. Vehicles belonging to low-income motorists that have passed a
smog check or are outside of I/M areas may also be eligible for an incentive funded by California's
Enhanced Fleet Modernization Program if they meet certain requirements. In addition, the
vehicle being retired must have been driven primarily in California for the prior two years, not be
scrapped, and not be undergoing a transfer of ownership or registration into the state. The vehicle
must also be operational and driven under its own power to the scrappage site.

For Utah's vehicle retirement program, the vehicle being retired usually must be MY 2003 or older
and be driven under its own power to the dealership. As with repair programs, the vehicle also
must have been registered or regularly operated in the eligible nonattainment area for at least 12
months. In most Utah counties, the vehicle must also have failed an emissions test within the past
30 days. The new vehicle purchased must also meet several requirements. First, it must be a Federal
Tier 2 Bin 5 vehicle or higher (with more assistance offered for hybrid or electric vehicles)

11	For more information on Utah's Vehicle Repair and Replacement Assistance Program (VRRAP), see https://deq.utah.
gov/air-quality/incentive-programs-aq/vehicle-repair-and-replacement-assistance-program.

12	California's eligibility requirements and incentives were similar to Utah's current programs and included limits on
model years, odometer readings, cost, and emissions rating for replacement vehicles.


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and must be from the current model year or the previous six model years. Vehicles that meet these
requirements may be purchased at a participating dealership, with the voucher going towards part
of the cost.

Assistance Offered

As with the repair assistance programs, motorists who meet the eligibility requirements first submit
an application including proof of household income and documentation for a failed emissions
test. For California's retirement-only program, the vehicle must then be driven to a contracted
facility that will verify that the vehicle meets all requirements (e.g., is operational). Upon
acceptance, the facility issues a check for the incentive amount directly to the motorist, which is
later reimbursed by the relevant state program. Incentives are $ 1,000 or $ 1,500 depending on the
income level of the motorist.

In Utah's program, replacement assistance is issued in the form of a voucher for use at
participating dealerships, which also accept the vehicle being retired. The amount of the voucher
generally ranges from $3,750-$6,875 and depends both on motorist income level and the emissions
rating of the replacement vehicle with more money being provided for lower income individuals
and lower-emissions vehicles.

Program Funding and Administration

The structure of retirement or replacement programs varies. Some programs operate on the state
level whereas others are administered by county or regional agencies. Some state level programs are
operated by a department of the environment, an air quality control agency, or even through multi-
agency partnerships. For example, Utah's program is centrally coordinated by the Utah Division of
Air Quality but administered at the local level by county health departments. Whereas, in Oregon,
the state Department of Environmental Quality partners with the United Way, which directly
manages the financial aspects of the program.

The administration of retirement or replacement programs depend on both the structure of the
I/M program and on the funding mechanism for the program. Funding sources for assistance
programs vary widely and include state transportation funds, local transportation revenue, external
grants, and public donations. Common funding mechanisms and examples of areas that have
implemented them are summarized below.


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Table 1: Examples of funding mechanisms for l/M vehicle repair and replacement programs

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Funding Mechanism

Examples

Transportation Fund
raised via motor vehicle
fees and/or taxes

•	Arizona's dedicated Voluntary Vehicle Repair Program
(VVRP) Fund is financed via a registration fee collected from
certain diesel-powered vehicles in the state, in addition to
other appropriations from the state legislature and local
subdivisions.13

•	The California Bureau of Automotive Repair's Consumer
Assistance Program (CAP) is funded via a dedicated account in
the state's Vehicle Inspections and Repair Fund (VIRF).The VIRF
is appropriated by the state legislature and is financed in part
by fees and fines associated with the state's automotive repair
and vehicle inspection programs.14

•	The San Joaquin Valley'sTune In andTune Up program is funded
by enhanced vehicle registration fees in eight counties.15

Grants

•	Utah's Vehicle Repair and Replacement Assistance Program
(VRRAP) has been funded since 2017 by an EPATargeted
Airshed Grant.These grants are available to the top five most
polluted nonattainment areas for ozone and particulate matter
to assist air pollution control agencies in reducing criteria

air pollution.16

•	Colorado's l/M program uses Regional Air Quality Council
(RAQC) grant funding to provide repair assistance to a limited
number of motorists that apply for economic hardship waivers
on a case-by-case basis.

Direct Donations

• Oregon's l/M program collects donations from the public
at its inspection sites, which are transferred to the local
United Way chapter to fund the Clean Air Partners repair
assistance program.17

13	Arizona Department of Environmental Quality. Voluntary Vehicle Repair Program: Fiscal Year 2021 Annual Report.
Publication#: EQR-21-15. November 2021. https://static.azdeq.gov/wrp/wrp_annual_report_2021.pdf. For addi-
tional details, see Arizona Revised Statutes A.R.S. §49- 474.03(G) andA.R.S. §49-551(B).

14	For general statutes on the Vehicle and Inspection Repair Fund, please see California Business and Professions Code
(BPC) Sections 9886 - 9886.4 and California Health and Safety Code (HSC) Section 44061. For statutes specific to
BAR's Consumer Assistance Program, see California Health and Safety Code (HSC) Section 44062.1 and California
Health and Safety Code (HSC) Section 44091.

15	Pierce, Gregory, and Rachel Connolly. Can Smog Repairs Create Social Justice? The Tune In & Tune Up Smog
Repair Program in the San Joaquin Valley. UCLA Luskin Center for Innovation June 2018. https://innovation.luskin.
ucla.edu/wp-content/uploads/2019/03/Can_Smog_Repairs_Create_Social_Justice.pdf.

16	Carlile, Mat. "Vehicle Repair Program Helps Fix Older Cars to Improve Air Quality." Utah Department of Environ-
mental Quality (UDEQ), 25 August 2020. https://deq.utah.gov/cominunication/news/veliicle-repair-program-helps-
repair-older-cars-to-improve-air-quality. Accessed 8 July 2022.

17	Hatfield, Doug. Fact Sheet: Clean Air Partners (CAPS). State of Oregon Department of Enviromnental Quality, May
2020. https://www.oregon.gov/deq/FilterDocs/capsfs.pdf. Accessed 27 July 2022.

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Despite program-level differences in administrative and funding structures, these assistance
programs have many similarities from the motorist perspective. As discussed in more detail in
the following section, characteristics such as eligibility requirements and amount of assistance are
comparable across states.

Other Consideration and Best Practices for Designing a Repair
or Replacement Assistance Program

In addition to the basic structure and characteristics of these assistance programs, there are several
design aspects that may affect program effectiveness. For example, challenges in implementing
assistance programs may include funding uncertainty, lack of awareness among motorists, and
administrative barriers (e.g., complex application processes for motorists).

However, several implementation strategies and practices may improve the success of these
programs. Based on reports and evaluations conducted by jurisdictions with existing assistance
programs, successful practices include:

•	Invest in outreach and communications to increase motorist awareness of available assistance. Advertise
the program via radio and social media in multiple languages and ask participating repair
facilities to share information about the assistance program with their customers. For ex-
ample, the San Joaquin Valley's "Tune In and Tune Up" events had over 40,000 participants
between 2012-2017. Over half of participants learned about the program through radio adver-
tisements (which were in both Spanish and English), while others learned about the program
by word of mouth, from a smog repair shop, and from printed advertisements, TV advertise-
ments, social media or other web-based outreach, or other sources.18

•	Make it easy and straightforward to participate. Have inspection facilities hand out step-by-step
application instructions to all motorists who fail an emissions test and create an online
application form and dedicated phone line to assist motorists with application require-
ments. For example, Arizona's Voluntary Vehicle Repair Program initially found that 90%
of customers who failed emissions inspections left the testing facility without speaking to a
manager about applying for assistance. Creating an online application form and distribut-
ing handouts with step-by-step instructions increased participation. Program leaders also
recommended following up with participants throughout the multi-step process to ensure
that all steps were completed.19

•	Make replacement options viable. For replacement programs, the high cost of purchasing a
new vehicle may be prohibitive even after assistance. Consider increasing the incentive
amount based on income, supporting the purchase of used vehicles, and assisting par-
ticipants in accessing fair vehicle loans. Consider partnerships with local lenders to offer
discounted interest rates for low-emitting, high-efficiency vehicles.

18	Pierce, Gregory, and Rachel Connolly. Can Smog Repairs Create Social Justice? The Tune In & Tune Up Smog
Repair Program in the San Joaquin Valley. UCLA Luskin Center for Innovation June 2018. https://innovation.luskin.
ucla.edu/wp-content/uploads/2019/03/Can_Smog_Repairs_Create_Social_Justice.pdf.

19	Arizona Department of Environmental Quality. Voluntary Vehicle Repair Program: Fiscal Year 2019 Annual Report.

Publication#: EQR-19-20. December2019. https://static.azdeq.gov/wrp/WRP_annual_report_2019_Final.pdf.


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More Information

For more information about I/M in your area, please visit your state's I/M site available at:
https://www.epa.gov/ state-and-local-transportation/vehicle-emissions-inspection-
maintenance-im-general-information#websites

For more information on the vehicle repair and replacement assistance programs discussed in this
document, please visit the links below:

•	Arizona Voluntary Vehicle Repair Program - http://azdeq.gov/carhelp

•	California Vehicle Repair and Replacement Assistance Programs

o Consumer Assistance Program - https://www.bar.ca.gov/consumer/consumer-
assistance-program

o Clean Cars 4 All - https://ww2.arb.ca.gov/our-work/programs/clean-cars-4-all
o San Joaquin Valley Air Pollution Control District Tune In And Tune Up -
https://www.valleyair.org/ drivecleaninthesanjoaquin/repair/

•	Oregon Clean Air Partners Program - https://www.oregon.gov/deq/Vehicle-
Inspection/Pages/failed-vehicle.aspx

•	Utah Vehicle Repair and Replacement Assistance Programs

o Cache County - https://brhd.org/vehicle-repair-replace-program/
o Davis County - http://www.daviscountyutah.gov/health/environmental-health-

division/ services/VRRAP
o Salt Lake County - https://slco.org/health/air-quality/vehicle-emissions/vrrap/
o Weber County - http://www.webermorganhealth.org/VRRAP/

For questions concerning a particular state or program area, please contact the Mobile Source
Contact at your EPA Regional Office (see Section 16 at the end of the following document):
https://www.epa.gov/ transportation-air-pollution-and-climate-change/ office-
transportation-and-air-quality-contacts

For general information on I/M, please visit the U.S. EPA site:

https://www.epa.gov/ state-and-local-transportation/vehicle-emissions-inspection-and-
maintenance-im-general-information


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