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Home/Bills/SB 1064California · 2025–2026 Regular Session
Senate BillVetoedHealth and Safety

SB 1064: Heavy-Duty Vehicle Inspection and Maintenance Program: testing.

California · Senate · 2025–2026 Regular Session · last verified September 22, 2026

What SB 1064 does, verified September 22, 2026

This bill aims to modify California's heavy-duty vehicle inspection and maintenance program. The program, currently required to test all nongasoline heavy-duty onroad motor vehicles with a gross vehicle weight rating of more than 14,000 pounds annually, would be limited to biennial testing. The state would develop and adopt rules to implement this change. Vehicle owners and operators would still need to demonstrate proof of compliance for specified purposes. The program would still require the development of a heavy-duty vehicle inspection and maintenance compliance certificate.

Bill journey
✓IntroducedComplete
✓In CommitteeComplete
✓First Chamber FloorComplete
✓Second ChamberComplete
5GovernorCurrent
6ChapteredPending
Last action: In Senate. Consideration of Governor's veto pending. (2026-09-20)Alert me
Author and sponsors
Full contact details, staff, and committees with Connect, $16/moUnlock
Coauthors
Marie Alvarado-GilAnna CaballeroSteven ChoiKelly Seyarto
Recent actions35 total · showing 5
Sep. 20, 2026In Senate. Consideration of Governor's veto pending.
Sep. 20, 2026Vetoed by the Governor.
Sep. 03, 2026Enrolled and presented to the Governor at 3 p.m.
Aug. 27, 2026Assembly amendments concurred in. (Ayes 39. Noes 0.) Ordered to engrossing and enrolling.
Aug. 26, 2026Ordered to special consent calendar.
Full action history, 30 earlier actionsConnect Plus
Latest bill textEnrolled version, August 30, 2026 · 476 words

Enrolled August 30, 2026
Passed IN Senate August 27, 2026
Passed IN Assembly August 20, 2026
Amended IN Assembly August 13, 2026
Amended IN Senate April 23, 2026

CALIFORNIA LEGISLATURE— 2025–2026 REGULAR SESSION

Senate Bill
No. 1064


Introduced by Senator Dahle
(Coauthors: Senators Alvarado-Gil, Caballero, Choi, and Seyarto)

February 12, 2026


An act to add Section 44153 to the Health and Safety Code, relating to vehicular air pollution.


LEGISLATIVE COUNSEL'S DIGEST


SB 1064, Dahle. Heavy-Duty Vehicle Inspection and Maintenance Program: testing.
Existing law generally designates the State Air Resources Board as the state agency with the primary responsibility for the control of vehicular air pollution. Existing law requires the state board to develop and implement a Heavy-Duty Vehicle Inspection and Maintenance Program for nongasoline heavy-duty onroad motor vehicles with a gross vehicle weight rating of more than 14,000 pounds. Existing law requires that the program include, among other things, test procedures for different motor vehicle model years and emissions control technologies that measure the effectiveness of the control of emissions of oxides of nitrogen and particulate matter. Existing law requires, as part of the program, the state board to develop a Heavy-Duty Vehicle Inspection and Maintenance Compliance Certificate. Existing law requires the state board to issue the certificate to the legal owner, registered owner, or designee of a vehicle that, at the discretion of the state board, meets the requirements of the program so that vehicle owners and operators may easily demonstrate proof of compliance for specified purposes.
This bill would limit specified testing of all nongasoline heavy-duty onroad motor vehicles with a gross vehicle weight rating of more than 14,000 pounds that are considered low use, as defined, that have an engine that is from the 2012 model year or older, and that are registered in this state, to not more frequently than annually. The bill would require the state board to adopt rules and regulations to implement this provision.
Vote: MAJORITY Appropriation: NO Fiscal Committee: YES Local Program: NO

The people of the State of California do enact as follows:


SECTION 1.

Section 44153 is added to the Health and Safety Code, to read:

44153.

(a) Notwithstanding any other law, testing conducted pursuant to Section 44152 shall be required not more frequently than annually for all nongasoline heavy-duty onroad motor vehicles with a gross vehicle weight rating of more than 14,000 pounds that meet all of the following criteria:
(1) The vehicle is considered low use.
(2) The vehicle’s engine is from the 2012 model year or older.
(3) The vehicle is registered in this state.
(b) The state board shall adopt rules and regulations to implement this section.
(c) For the purposes of this section, “low use” means a vehicle determined through a process developed by the state board to be driven fewer than 1,000 miles per calendar year in California.

Text of SB 1064 as enrolled, from the official record. Connect Plus keeps every version and highlights what changed.Compare versions
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