California 2025-2026 Regular Session

California Assembly Bill AB1944

Introduced
2/13/26  
Refer
3/2/26  
Report Pass
3/24/26  
Engrossed
4/6/26  

Caption

Zero-emission transit buses: axle weight.

Impact

If enacted, AB 1944 will facilitate the deployment of zero-emission transit buses by providing transit operators with the flexibility to procure heavier buses without facing penalties associated with the weight regulations. This could enhance public transportation options and promote an eco-friendly shift in the transit sector. Moreover, the bill is expected to align with California's broader environmental goals by encouraging the adoption of zero-emission technologies in public transit, which may lead to overall reductions in greenhouse gas emissions from the transportation sector.

Summary

Assembly Bill 1944, introduced by Assembly Member Lee, seeks to amend California's Vehicle Code regarding the weight limitations for zero-emission transit buses. The current regulation prohibits the maximum gross weight on any one axle of a bus from exceeding 20,500 pounds, with certain exceptions for transit buses procured through specific solicitation processes. This bill proposes to establish higher weight limitations, allowing zero-emission transit buses procured between January 1, 2027, and December 31, 2031, to have curb weights on axles of up to 25,000 pounds, an increase designed to support the transition to cleaner transit options.

Contention

The bill outlines a sunset provision, set to expire on January 1, 2032, for the specified weight increases, which could evoke discussions among stakeholders regarding the long-term implications of increased vehicle weights on road infrastructure and safety. Concerns may arise from local governments and the public regarding potential overuse of transit streets under heavier loads. Balancing the need for larger vehicles to support ridership and the safe operation of public infrastructure will be critical points of contention as the bill moves through the legislative process.

Companion Bills

No companion bills found.

Previously Filed As

CA SB752

Sales and use taxes: exemptions: California Hybrid and Zero-Emission Truck and Bus Voucher Incentive Project: transit buses.

CA SB1213

Zero- and near-zero-emission medium- and heavy-duty vehicles: incentives: transparency.

CA HB2104

Emissions; voluntary vehicle repair; timeline

CA SB153

Transportation budget trailer bill.

CA AB153

Transportation budget trailer bill.

CA SB285

Net zero greenhouse gas emissions goal: carbon dioxide removal: regulations.

CA SB1424

Sales and use taxes: zero-emission vehicle fueling.

CA SB613

Methane emissions: petroleum and natural gas producing low methane emissions.

CA SB1517

Off-highway vehicles; weight

CA SB1519

Off-highway vehicles; weight; enforcement fund

Similar Bills

CA AB1391

Education finance: transitional kindergarten: funding for basic aid school districts and necessary small schools.

CA SB834

An act to amend Section 1203.

CA SB1342

Criminal records: relief.

CA AB2526

Special education local plan areas: apportionments: alternate assessments.

CA AB1308

Residential building permits: inspections: Housing Accountability Act.

CA AB459

Initiatives: qualification: electronic signatures.

CA AB1062

Local control funding formula: concentration grants: charter schools: waiver.

CA AB2430

Expanded learning programs: high school pupils: After School Education and Safety Program Act of 2002.