KLS Keeping Law Simple Legislation in plain English

Straight-ahead summaries built from the official bill text. We keep the source links front and center and leave the decision up to you.

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SB509 • 2025

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 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.

Passed Legislature

This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.

Sponsor
Senator Smith DB
Last action
2025-06-27
Official status
In Senate Committee
Effective date
Not listed

Plain English Breakdown

The plain English breakdown is still being put together. The official documents below are already here.

Bill History

  1. 2025-06-27 Senate

    In committee upon adjournment.

  2. 2025-01-17 Senate

    Referred to Energy and Environment.

  3. 2025-01-13 Senate

    Introduction and first reading. Referred to President's desk.

Official Summary Text

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.
Relating to: Relating to motor vehicle emission standards.
Current location: In Senate Committee