republic-os/legislation/us/states/ca/20072008/ab-1488.md

---
type: "Bill"
title: "Air pollution: smog check program: diesel-powered vehicles."
description: "Air pollution: smog check program: diesel-powered vehicles."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20072008"
identifier: "AB 1488"
citation: "California AB 1488 (20072008)"
classification: ["bill"]
subjects: ["Air pollution: smog check program: diesel-powered vehicles."]
status: "enacted"
primary_sponsors: ["Mendoza"]
version_count: 8
action_count: 25
vote_count: 8
first_action: "2007-02-23"
last_action: "2007-10-14"
source: "openstates"
source_identifier: "ocd-bill/e0041ca0-707e-433a-8126-a1b9d33adbd9"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200720080AB1488"
source_hash: "361c4ee42eb9cb4d49a61211d573bdeac3dcc2703d1f9e61b2939d984a0a5a45"
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 1488 (20072008) — Air pollution: smog check program: diesel-powered vehicles.

## Version chain

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

1. **02/23/07 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1488&version=20070AB148899INT)
2. **04/30/07 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1488&version=20070AB148898AMD)
3. **06/01/07 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1488&version=20070AB148897AMD)
4. **08/20/07 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1488&version=20070AB148896AMD)
5. **09/06/07 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1488&version=20070AB148895AMD)
6. **10/14/07 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1488&version=20070AB148893CHP)
7. **AB1488** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200720080AB1488)
8. **09/24/07 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1488&version=20070AB148894ENR)

## Votes

- AB 1488 MENDOZA Assembly Third Reading — **pass** (pass) · lower
- AB 1488 Mendoza Concurrence in Senate Amendments — **pass** (pass) · lower
- Placed on Appropriations Suspense file. — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass. — **pass** (pass) · upper
- Assembly 3rd Reading AB1488 Mendoza By Lowenthal — **pass** (pass) · upper
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower

## Sponsors

- Mendoza — primary (person)

## Timeline

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

- **2007-02-23** Introduced. To print. `introduction`
- **2007-02-25** From printer. May be heard in committee March 27.
- **2007-02-26** Read first time. `reading-1`
- **2007-03-22** Referred to Standing Committee on Transportation. `referral-committee`
- **2007-04-16** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2007-04-26** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 9. Noes 5.) (April 23). `amendment-introduction, committee-passage, amendment-passage, referral-committee`
- **2007-04-30** Read second time and amended. `reading-1, reading-2, amendment-passage`
- **2007-05-01** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **2007-06-01** From committee: Amend, and do pass as amended. (Ayes 12. Noes 5.) (May 31). Read second time and amended. Ordered returned to second reading. `reading-1, reading-2, amendment-introduction, committee-passage, amendment-passage`
- **2007-06-04** Read second time. To third reading. `reading-1, reading-2`
- **2007-06-06** Read third time, passed, and to Senate. (Ayes 46. Noes 33. Page 2049.) `passage, reading-1, reading-3`
- **2007-06-07** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2007-06-21** Referred to Standing Committee on Transportation and Housing. `referral-committee`
- **2007-07-11** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 7. Noes 4.) . `committee-passage, committee-passage-favorable, referral-committee`
- **2007-08-20** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Appropriations. `reading-1, reading-2, amendment-introduction, referral-committee, amendment-passage`
- **2007-08-20** In committee: Placed on Standing Committee on Appropriations suspense file.
- **2007-08-31** From committee: Do pass. (Ayes 10. Noes 7.) . `committee-passage, committee-passage-favorable`
- **2007-08-31** Read second time. To third reading. `reading-1, reading-2`
- **2007-09-06** Read third time, amended, and returned to third reading. `reading-1, reading-3, amendment-passage`
- **2007-09-11** Read third time, passed, and to Assembly. (Ayes 21. Noes 15. Page 2568.) `passage, reading-1, reading-3`
- **2007-09-11** In Assembly. Concurrence in Senate amendments pending.
- **2007-09-12** Senate amendments concurred in. To enrollment. (Ayes 48. Noes 29. Page 3386.) `committee-passage-favorable, amendment-passage`
- **2007-09-27** Enrolled and to the Governor at 3:45 p.m.
- **2007-10-14** Approved by the Governor. `executive-signature`
- **2007-10-14** Chaptered by Secretary of State - Chapter 739, Statutes of 2007.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e0041ca0-707e-433a-8126-a1b9d33adbd9`. Confidence: reported (aggregated from official California legislature records).