---
type: "Bill"
title: "Requiring and funding the purchase of zero emission school buses."
description: "Requiring and funding the purchase of zero emission school buses."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2023-2024"
identifier: "HB 1368"
citation: "Washington HB 1368 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Senn"]
version_count: 5
action_count: 47
vote_count: 3
first_action: "2023-01-17"
last_action: "2024-03-28"
source: "openstates"
source_identifier: "ocd-bill/7121f572-8314-4ee2-a459-93263b79e33c"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=1368&year=2023"
source_hash: "997e967a9b9e5eeea4b7e7dcb062186811e8655714b8968196a30752fde2ac7d"
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 HB 1368 (2023-2024) — Requiring and funding the purchase of zero emission school buses.

## 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/2023-24/Htm/Bills/House%20Bills/1368.htm)
2. **Engrossed Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/1368-S2.E.htm)
3. **Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/1368-S2.htm)
4. **Second Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Passed%20Legislature/1368-S2.PL.htm)
5. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/1368-S.htm)

## Votes

- Final Passage as Amended by the Senate (#30) — **58–38** (pass) · lower
- 3rd Reading & Final Passage (#39) — **58–39** (pass) · lower
- 3rd Reading & Final Passage as Amended by the Senate (#14) — **29–20** (pass) · upper

## Sponsors

- Senn — primary (person)
- Berg — cosponsor (person)
- Bergquist — cosponsor (person)
- Berry — cosponsor (person)
- Callan — cosponsor (person)
- Chapman — cosponsor (person)
- Cortes — cosponsor (person)
- Doglio — cosponsor (person)
- Fey — cosponsor (person)
- Fitzgibbon — cosponsor (person)
- Fosse — cosponsor (person)
- Goodman — cosponsor (person)
- Gregerson — cosponsor (person)
- Leavitt — cosponsor (person)
- Lekanoff — cosponsor (person)
- Macri — cosponsor (person)
- Peterson — cosponsor (person)
- Pollet — cosponsor (person)
- Ramel — cosponsor (person)
- Reed — cosponsor (person)
- Santos — cosponsor (person)
- Simmons — cosponsor (person)
- Slatter — cosponsor (person)
- Stonier — cosponsor (person)
- Street — cosponsor (person)

## Timeline

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

- **2023-01-17** First reading, referred to Education. `reading-1`
- **2023-01-27** Committee relieved of further consideration.
- **2023-01-27** Referred to Environment & Energy. `referral-committee`
- **2023-02-07** Public hearing in the House Committee on Environment & Energy at 4:00 PM.
- **2023-02-14** Executive action taken in the House Committee on Environment & Energy at 4:00 PM.
- **2023-02-14** ENVI - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2023-02-14** Minority; do not pass. `committee-passage-unfavorable`
- **2023-02-14** Minority; without recommendation. `committee-passage-unfavorable`
- **2023-02-16** Referred to Appropriations. `referral-committee`
- **2024-01-08** By resolution, reintroduced and retained in present status.
- **2024-01-11** Public hearing in the House Committee on Appropriations at 4:00 PM.
- **2024-01-18** Executive session scheduled, but no action was taken in the House Committee on Appropriations at 4:00 PM.
- **2024-01-29** Executive action taken in the House Committee on Appropriations at 4:00 PM.
- **2024-01-29** APP - Majority; 2nd substitute bill be substituted, do pass. `substitution`
- **2024-01-29** Minority; do not pass. `committee-passage-unfavorable`
- **2024-01-31** Referred to Rules 2 Review. `referral-committee`
- **2024-02-07** Placed on second reading by Rules Committee. `reading-2`
- **2024-02-09** 2nd substitute bill substituted (APP 24). `substitution`
- **2024-02-09** Floor amendment(s) adopted.
- **2024-02-09** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-02-09** Third reading, passed; yeas, 58; nays, 39; absent, 0; excused, 1. `reading-3`
- **2024-02-13** First reading, referred to Early Learning & K-12 Education. `reading-1`
- **2024-02-19** Public hearing in the Senate Committee on Early Learning & K-12 Education at 1:30 PM.
- **2024-02-21** Executive action taken in the Senate Committee on Early Learning & K-12 Education at 10:30 AM.
- **2024-02-21** EDU - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2024-02-21** And refer to Ways & Means. `referral-committee`
- **2024-02-21** Minority; do not pass. `committee-passage-unfavorable`
- **2024-02-21** Minority; without recommendation. `committee-passage-unfavorable`
- **2024-02-21** Referred to Ways & Means. `referral-committee`
- **2024-02-24** Public hearing in the Senate Committee on Ways & Means at 9:00 AM.
- **2024-02-26** Executive action taken in the Senate Committee on Ways & Means at 10:00 AM.
- **2024-02-26** WM - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2024-02-26** Minority; do not pass. `committee-passage-unfavorable`
- **2024-02-26** Minority; without recommendation. `committee-passage-unfavorable`
- **2024-02-26** Passed to Rules Committee for second reading.
- **2024-02-28** Placed on second reading by Rules Committee. `reading-2`
- **2024-03-01** Committee amendment(s) adopted with no other amendments.
- **2024-03-01** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-03-01** Third reading, passed; yeas, 29; nays, 20; absent, 0; excused, 0. `reading-3`
- **2024-03-05** House concurred in Senate amendments.
- **2024-03-05** Passed final passage; yeas, 58; nays, 38; absent, 0; excused, 1. `passage`
- **2024-03-06** Speaker signed. `passage`
- **2024-03-07** President signed. `passage`
- **2024-03-07** Delivered to Governor. `executive-receipt`
- **2024-03-28** Governor signed. `executive-signature`
- **2024-03-28** Chapter 345, 2024 Laws. `became-law`
- **2024-03-28** Effective date 6/6/2024. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7121f572-8314-4ee2-a459-93263b79e33c`. Confidence: reported (aggregated from official Washington legislature records).