republic-os/legislation/us/states/ca/20232024/ab-579.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Schoolbuses: zero-emission vehicles.	Existing law authorizes state funds, upon appropriation by the Legislature, to be distributed to the Superintendent of Public Instruction for distribution to certain local educational agencies for the purchase of low- or zero-emission schoolbuses that replace, or increase the number of, schoolbuses in the existing schoolbus fleet or for retrofitting existing schoolbuses to achieve reductions in emissions, as specified.	us/states/ca	California Legislature	20232024	AB 579	California AB 579 (20232024)	bill	Schoolbuses zero-emission vehicles	enacted	Ting	7	27	8	2023-02-08	2023-10-08	openstates	ocd-bill/a2bec3e1-c21f-4115-a767-362e2d4847f8	http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AB579	61bf29a38a5880d02ea74176ffa823e7f54dcd9dfd22e16bc013cec326f37389	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ca

California AB 579 (20232024) — Schoolbuses: zero-emission vehicles.

Existing law authorizes state funds, upon appropriation by the Legislature, to be distributed to the Superintendent of Public Instruction for distribution to certain local educational agencies for the purchase of low- or zero-emission schoolbuses that replace, or increase the number of, schoolbuses in the existing schoolbus fleet or for retrofitting existing schoolbuses to achieve reductions in emissions, as specified.

Version chain

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

1. 02/08/23 - Introduced (filed) — source
2. 03/13/23 - Amended Assembly (committee substitute) — source
3. 06/19/23 - Amended Senate (committee substitute) — source
4. 06/29/23 - Amended Senate (committee substitute) — source
5. 10/08/23 - Chaptered (committee substitute) — source
6. AB579 (committee substitute) — source
7. 09/14/23 - Enrolled (enrolled) — source

Votes

• Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — 6–1 (pass) · upper
• AB 579 Ting Assembly Third Reading — 61–14 (pass) · lower
• Placed on suspense file — 7–0 (pass) · upper
• Do pass — 5–2 (pass) · upper
• Do pass and be re-referred to the Committee on [Appropriations] — 5–2 (pass) · lower
• Do pass. — 11–3 (pass) · lower
• 3rd Reading AB579 Ting By Newman — 31–8 (pass) · upper
• AB 579 Ting Concurrence in Senate Amendments — 63–11 (pass) · lower

Sponsors

• Ting — primary (person)

Timeline

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

• 2023-02-08 Read first time. To print. reading-1
• 2023-02-09 From printer. May be heard in committee March 11.
• 2023-02-17 Referred to Com. on ED. referral-committee
• 2023-03-13 From committee chair, with author's amendments: Amend, and re-refer to Com. on ED. Read second time and amended. amendment-introduction, amendment-passage, reading-1, reading-2
• 2023-03-14 Re-referred to Com. on ED. referral-committee
• 2023-03-16 In committee: Set, first hearing. Hearing canceled at the request of author.
• 2023-03-30 From committee: Do pass and re-refer to Com. on APPR. (Ayes 5. Noes 2.) (March 29). Re-referred to Com. on APPR. committee-passage, committee-passage-favorable, referral-committee
• 2023-04-26 In committee: Hearing postponed by committee.
• 2023-05-03 In committee: Set, first hearing. Referred to APPR. suspense file. referral-committee
• 2023-05-18 From committee: Do pass. (Ayes 11. Noes 3.) (May 18). committee-passage, committee-passage-favorable
• 2023-05-18 Read second time. Ordered to third reading. reading-1, reading-2
• 2023-05-31 Read third time. Passed. Ordered to the Senate. (Ayes 61. Noes 14. Page 2024.) passage, reading-1, reading-3
• 2023-06-01 In Senate. Read first time. To Com. on RLS. for assignment. reading-1
• 2023-06-14 Referred to Com. on ED. referral-committee
• 2023-06-19 From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on ED. amendment-introduction, amendment-passage, reading-1, reading-2, referral-committee
• 2023-06-28 From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 6. Noes 1.) (June 28). amendment-introduction, amendment-passage, committee-passage, referral-committee
• 2023-06-29 Read second time and amended. Re-referred to Com. on APPR. amendment-passage, reading-1, reading-2, referral-committee
• 2023-08-14 In committee: Referred to APPR suspense file. referral-committee
• 2023-09-01 From committee: Do pass. (Ayes 5. Noes 2.) (September 1). committee-passage, committee-passage-favorable
• 2023-09-05 Read second time. Ordered to third reading. reading-1, reading-2
• 2023-09-11 Read third time. Passed. Ordered to the Assembly. (Ayes 31. Noes 8. Page 2553.). passage, reading-1, reading-3
• 2023-09-11 In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 13 pursuant to Assembly Rule 77.
• 2023-09-12 Assembly Rule 77 suspended. (Page 3228.)
• 2023-09-12 Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 63. Noes 11. Page 3235.). amendment-passage, committee-passage-favorable
• 2023-09-19 Enrolled and presented to the Governor at 4 p.m.
• 2023-10-08 Approved by the Governor. executive-signature
• 2023-10-08 Chaptered by Secretary of State - Chapter 445, Statutes of 2023. became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/a2bec3e1-c21f-4115-a767-362e2d4847f8. Confidence: reported (aggregated from official California legislature records).