---
type: "Bill"
title: "Reducing emissions by making changes to the clean car standards and clean car program."
description: "Reducing emissions by making changes to the clean car standards and clean car program."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2019-2020"
identifier: "SB 5811"
citation: "Washington SB 5811 (2019-2020)"
classification: ["bill"]
subjects: ["AIR QUALITY AND POLLUTION", "MOTOR VEHICLES"]
status: "enacted"
primary_sponsors: ["Nguyen"]
version_count: 1
action_count: 40
vote_count: 6
first_action: "2019-02-04"
last_action: "2020-03-25"
source: "openstates"
source_identifier: "ocd-bill/4a43bc7b-492e-4432-bcff-7f42db33a449"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=5811&year=2019"
source_hash: "d42dca7aee1049abe1aa689e37aefc8085714a44d473db284fb3cf55823c5a89"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-wa"]
---

# Washington SB 5811 (2019-2020) — Reducing emissions by making changes to the clean car standards and clean car program.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2019-20/Htm/Bills/Senate%20Bills/5811.htm)

## Votes

- 3rd Reading & Final Passage (#2) — **26–23** (pass) · upper
- Final Passage as Amended by the House (#38) — **57–40** (pass) · lower
- 3rd Reading & Final Passage (#20) — **26–22** (pass) · upper
- Final Passage on Reconsideration (#40) — **55–42** (pass) · lower
- Final Passage as Amended by the House (#26) — **25–23** (pass) · upper
- 44 Padden Striker (#19) — **19–28** (fail) · upper

## Sponsors

- Nguyen — primary (person)
- Das — cosponsor (person)
- Hunt — cosponsor (person)
- Kuderer — cosponsor (person)
- Liias — cosponsor (person)
- Rolfes — cosponsor (person)
- Saldaña — cosponsor (person)
- Wilson, C. — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2019-02-04** First reading, referred to Environment, Energy & Technology. `reading-1`
- **2019-02-14** ENET - Majority; do pass.
- **2019-02-14** Minority; do not pass.
- **2019-02-14** Minority; without recommendation.
- **2019-02-15** Passed to Rules Committee for second reading.
- **2019-02-19** Placed on second reading by Rules Committee.
- **2019-03-04** Rules suspended. Placed on Third Reading.
- **2019-03-04** Third reading, passed; yeas, 26; nays, 22; absent, 0; excused, 1. `reading-3`
- **2019-03-06** First reading, referred to Environment & Energy. `reading-1`
- **2019-04-28** By resolution, returned to Senate Rules Committee for third reading.
- **2020-01-13** By resolution, reintroduced and retained in present status.
- **2020-01-13** Placed on third reading by Rules Committee.
- **2020-01-15** Third reading, passed; yeas, 26; nays, 23; absent, 0; excused, 0. `reading-3`
- **2020-01-16** First reading, referred to Environment & Energy. `reading-1`
- **2020-02-20** ENVI - Majority; do pass with amendment(s).
- **2020-02-24** Referred to Appropriations.
- **2020-03-02** APP - Majority; do pass with amendment(s) by Environment & Energy.
- **2020-03-02** Minority; do not pass.
- **2020-03-03** Referred to Rules 2 Review.
- **2020-03-03** Placed on second reading.
- **2020-03-05** Committee amendment(s) adopted with no other amendments.
- **2020-03-05** Rules suspended. Placed on Third Reading.
- **2020-03-05** Third reading, passed; yeas, 57; nays, 40; absent, 0; excused, 1. `reading-3`
- **2020-03-05** Vote on third reading will be reconsidered.
- **2020-03-05** Third reading, passed; yeas, 55; nays, 42; absent, 0; excused, 1. `reading-3`
- **2020-03-09** Senate concurred in House amendments.
- **2020-03-09** Passed final passage; yeas, 25; nays, 23; absent, 0; excused, 1. `passage`
- **2020-03-11** President signed. `passage`
- **2020-03-11** Speaker signed. `passage`
- **2020-03-12** Delivered to Governor.
- **2020-03-25** Governor signed. `executive-signature`
- **2020-03-25** Chapter 143, 2020 Laws. `became-law`
- **2020-03-25** Effective date 6/11/2020. `became-law`
- **2019-02-12T15:00:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 10:00 AM
- **2019-02-14T15:00:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 10:00 AM
- **2019-03-19T19:30:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 03:30 PM
- **2020-02-13T13:00:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 08:00 AM
- **2020-02-20T13:00:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 08:00 AM
- **2020-02-29T14:00:00+00:00** Scheduled for public hearing in the House Committee on Appropriations at 09:00 AM
- **2020-03-02T18:30:00+00:00** Scheduled for public hearing in the House Committee on Appropriations at 01:30 PM

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/4a43bc7b-492e-4432-bcff-7f42db33a449`. Confidence: reported (aggregated from official Washington legislature records).