State Law Check

Laws by state › California

Emissions and VOC laws in California

We track 5 California rules on aftermarket emissions parts, gas small engines and high-VOC consumer products; all are bans.

Check a specific item for California

California

BannedDo not sell or ship to California any aftermarket or performance part that alters or modifies a vehicle's emission control system (intakes, headers, exhausts with catalysts, tuners, superchargers, catalytic converters, etc.) unless it has a CARB Executive Order (EO) number.
Cal. Veh. Code § 27156(c), (h), (i) · effective Jan 1, 2008 · draft
Exact text
(c)
No person shall install, sell, offer for sale, or advertise any device, apparatus, or mechanism intended for use with, or as a part of, a required motor vehicle pollution control device or system that alters or modifies the original design or performance of the motor vehicle pollution control device or system.
...
(h)
This section shall not apply to an alteration, modification, or modifying device, apparatus, or mechanism found by resolution of the State Air Resources Board to do either of the following:
(1)
Not to reduce the effectiveness of a required motor vehicle pollution control device.
(2)
To result in emissions from the modified or altered vehicle that are at levels that comply with existing state or federal standards for that model-year of the vehicle being modified or converted.
(i)
Aftermarket and performance parts with valid State Air Resources Board Executive Orders may be sold and installed concurrent with a motorcycle’s transfer to an ultimate purchaser.
BannedDo not sell or ship new gas-powered small off-road equipment under 25 hp (lawn mowers, leaf blowers, string trimmers, chainsaws, edgers, hedge trimmers, small pressure washers, etc.) to California: model year 2024 and later engines must be zero-emission.
Exact text
(2) Every new small off-road engine that is manufactured for sale, sold, or
offered for sale in California, or that is introduced, delivered or imported into
California for introduction into commerce, and that is subject to any of the standards
prescribed in this article must be covered by an Executive Order, issued pursuant to
this article.
...
“Small off-road engine” means any engine that produces a gross
horsepower less than 25 horsepower (at or below 19 kilowatts for 2005 and later
model year)
...
off-road engines. Uses for small off-road engines include, but are not limited to,
applications such as lawn mowers, weed trimmers, chain saws, golf carts, specialty
vehicles, generators and pumps.
...
(b) (1) Exhaust emissions from small off-road engines manufactured for sale, sold,
or offered for sale in California, or that are introduced, delivered or imported into
California for introduction into commerce, must not exceed:
...
Exhaust Emission Standards for Spark-Ignition Engines, Except Generator Engines and
≥ 225 cc Pressure Washer Engines
...
2024 and
subsequent < 50 cc 300 0.00 536 0.00(4)
...
2024 and
subsequent > 825 cc 1,000 0.00 20.6 NA
BannedFrom model year 2028, do not sell or ship new gas-powered portable generators (under 25 hp) to California; until then they must carry a CARB Executive Order.
Exact text
(29) “Generator” means off-road equipment that exclusively produces
electric power.
...
Exhaust Emission Standards for Generator Engines
...
2024 through
2027 225-825 cc,
inclusive 1,000 3.0 200 NA
...
2028 and
subsequent < 50 cc 300 0.00 400 0.00(4)
...
2028 and
subsequent > 825 cc 1,000 0.00 20.6 NA
Exhaust Emission Standards for ≥ 225 cc Pressure Washer Engines
...
2028 and
subsequent
225-825 cc,
inclusive 1,000 0.00 200 NA
BannedDo not sell or ship consumer products to California (hairspray, air fresheners, lubricants, cleaners, adhesives, personal care products, etc.) unless they meet CARB's VOC limits; the merchant must confirm the product is labeled/formulated as CARB-compliant.
Exact text
(a) Except as provided in sections 94510 (Exemptions), 94511 (Innovative
Products), 94514 (Variances), and 94540 through 94555 (Alternative Control
Plan), title 17, California Code of Regulations, no person shall sell, supply, offer
for sale, or manufacture for sale in California any consumer product which, at
the time of sale or manufacture, contains volatile organic compounds in excess
of the limits specified in the following Table of Standards after the specified
effective dates.
...
Air Freshener
(manufactured on or after January 1, 2023)*
Automatic Aerosol Air Freshener 1/1/2023 30
Manual Aerosol Air Freshener** 1/1/2023
1/1/2027
10
5
...
Hair Finishing Spray* 1/1/93
6/1/99
1/1/2023
80
55
50
...
Multi-purpose Lubricant (excluding solid or semisolid
products)#**
1/1/2003
12/31/2013
7/1/2019
50
25
10 ##
BannedDo not sell or ship aerosol spray paint or other aerosol coatings to California unless they meet CARB's reactivity (MIR) limits for aerosol coatings.
Exact text
This article shall apply to any person who sells, supplies, offers for sale, applies,
or manufactures any aerosol coating products for use in the State of California,
except as provided in section 94523.
...
(2) Except as provided in sections 94523 (Exemptions) and 94525
(Variances), Title 17, California Code of Regulations, no person shall sell,
supply, offer for sale, apply, or manufacture for use in California, any
“Aerosol Coating Product” which, at the time of sale, use, or
manufacture exceeds the limits specified in the following Table of
Reactivity Limits after the specified effective date.
...
General Coatings 06/01/2002 01/01/2017
Clear Coating 1.50 0.85
Flat Coating 1.20 0.80
Fluorescent Coating 1.75 1.30
Metallic Coating 1.90 1.25
Nonflat Coating 1.40 0.95
Primer 1.20 0.70

Federal

Applies in every state.

BannedDo not sell or ship emissions defeat devices (delete pipes, EGR/DPF/catalyst deletes, tuners or software that disable emission controls) anywhere in the US.
Exact text
(B) for any person to manufacture or sell, or offer to sell, or install, any part or component intended for use with, or as part of, any motor vehicle or motor vehicle engine, where a principal effect of the part or component is to bypass, defeat, or render inoperative any device or element of design installed on or in a motor vehicle or motor vehicle engine in compliance with regulations under this subchapter, and where the person knows or should know that such part or component is being offered for sale or installed for such use or put to such use; or