republic-os/legislation/us/states/ca/20172018/ab-630.md

---
type: "Bill"
title: "Vehicles: retirement and replacement."
description: "(1) Existing law creates the enhanced fleet modernization program to provide compensation for the retirement and replacement of passenger vehicles and light-duty and medium-duty trucks that are high polluters."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20172018"
identifier: "AB 630"
citation: "California AB 630 (20172018)"
classification: ["bill"]
subjects: ["Vehicles: retirement and replacement."]
status: "enacted"
primary_sponsors: ["Cooper"]
version_count: 7
action_count: 28
vote_count: 3
first_action: "2017-02-14"
last_action: "2017-10-10"
source: "openstates"
source_identifier: "ocd-bill/9628bd13-e24d-4826-853a-1839c6164337"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB630"
source_hash: "b0f39ad03093d836b1e0ec579da374ab9512409f1f92761b6b4bd33bab5b4a47"
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-ca"]
---

# California AB 630 (20172018) — Vehicles: retirement and replacement.

(1) Existing law creates the enhanced fleet modernization program to provide compensation for the retirement and replacement of passenger vehicles and light-duty and medium-duty trucks that are high polluters.

## Version chain

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

1. **02/14/17 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB630&version=20170AB63099INT)
2. **06/28/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB630&version=20170AB63098AMD)
3. **09/01/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB630&version=20170AB63097AMD)
4. **09/08/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB630&version=20170AB63096AMD)
5. **10/10/17 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB630&version=20170AB63094CHP)
6. **AB630** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB630)
7. **09/15/17 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB630&version=20170AB63095ENR)

## Votes

- AB 630 Cooper Concurrence in Senate Amendments — **55–23** (pass) · lower
- 3rd Reading AB630 Cooper By Stern — **29–11** (pass) · upper
- Do pass as amended — **5–2** (pass) · upper

## Sponsors

- Cooper — primary (person)

## Timeline

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

- **2017-02-14** Read first time. To print. `reading-1`
- **2017-02-15** From printer. May be heard in committee March 17.
- **2017-03-02** Referred to Com. on TRANS. `referral-committee`
- **2017-03-21** From committee: Do pass and re-refer to Com. on APPR. (Ayes 10. Noes 4.) (March 20). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-04-26** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2017-05-26** From committee: Do pass. (Ayes 12. Noes 5.) (May 26). `committee-passage-favorable, committee-passage`
- **2017-05-30** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-05-31** Read third time. Passed. Ordered to the Senate. (Ayes 54. Noes 20. Page 1985.) `reading-3, passage, reading-1`
- **2017-06-01** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2017-06-14** Referred to Coms. on T. & H. and EQ. `referral-committee`
- **2017-06-19** In committee: Hearing postponed by committee.
- **2017-06-19** Withdrawn from committee.
- **2017-06-19** Re-referred to Coms. on EQ. and T. & H. `referral-committee`
- **2017-06-28** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on EQ. `amendment-passage, referral-committee, reading-2, reading-1, amendment-introduction`
- **2017-07-06** From committee: Do pass and re-refer to Com. on T. & H. (Ayes 5. Noes 1.) (July 5). Re-referred to Com. on T. & H. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-07-12** From committee: Do pass and re-refer to Com. on APPR. (Ayes 8. Noes 3.) (July 11). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-08-21** In committee: Referred to APPR. suspense file. `referral-committee`
- **2017-09-01** From committee: Amend, and do pass as amended. (Ayes 5. Noes 2.) (September 1). `amendment-passage, committee-passage, amendment-introduction`
- **2017-09-01** Read second time and amended. Ordered returned to second reading. `reading-1, amendment-passage, reading-2`
- **2017-09-05** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-09-08** Read third time and amended. Ordered to second reading. `amendment-passage, reading-3, reading-1`
- **2017-09-11** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-09-13** Read third time. Passed. Ordered to the Assembly. (Ayes 29. Noes 11. Page 2853.). `reading-3, passage, reading-1`
- **2017-09-14** In Assembly. Concurrence in Senate amendments pending.
- **2017-09-14** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 55. Noes 23. Page 3397.). `committee-passage-favorable, amendment-passage`
- **2017-09-25** Enrolled and presented to the Governor at 12 p.m.
- **2017-10-10** Approved by the Governor. `executive-signature`
- **2017-10-10** Chaptered by Secretary of State - Chapter 636, Statutes of 2017.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9628bd13-e24d-4826-853a-1839c6164337`. Confidence: reported (aggregated from official California legislature records).