2025 Regular Session

Senate Bill 509

Prohibits the Environmental Quality Commission from adopting motor vehicle emission standards to implement California standards requiring that some or all medium- or heavy-duty vehicles sold in the state be zero-emission vehicles.

Did not become law. It stopped in the Senate's Energy and Environment Committee on June 27, 2025. The 2025 session has ended.

What it does

The synopsis the Legislative Assembly published with the bill.

Digest: This Act stops the EQC from adopting, and stops the DEQ from enforcing, California rules that require some trucks sold in the state to have no emissions. (Flesch Readability Score: 60.3). Prohibits the Environmental Quality Commission from adopting motor vehicle emission standards to implement California standards requiring that some or all medium- or heavy-duty vehicles sold in the state be zero-emission vehicles. Prohibits the Department of Environmental Quality from enforcing such standards adopted prior to the effective date of the Act.

Its course

January 13 to June 27, 2025, on one scale. In the top row each mark is a day something happened; taller marks are busier days.

Each committee stop sits inside its chamber.

Every action3 actions on 3 days

In the SenateJan 13 to Jun 27 · stopped165 days

Waiting for a committeeJan 13 to Jan 174 days

Energy and EnvironmentJan 17 to Jun 27 · stopped161 days

Text

Each version as the Legislative Assembly printed it.

l9n doesn't hold this bill's text yet.

What happened

In l9n's words, one line for each step. Every action as the Legislative Assembly published it is below.

In the Senate Jan 13 – Jun 27

Jan 13Introduced
Jan 17Sent to Energy and Environment
Jun 27Died when the session ended

All 3 actions, as published

Jan 13Introduction and first reading. Referred to President's desk.Senate
Jan 17Referred to Energy and Environment.Senate
Jun 27In committee upon adjournment.Senate