---
type: "Bill"
title: "Air pollution: enhanced motor vehicle inspection and maintenance program: San Francisco Bay Area Basin."
description: "Air pollution: enhanced motor vehicle inspection and maintenance program: San Francisco Bay Area Basin."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20012002"
identifier: "AB 2637"
citation: "California AB 2637 (20012002)"
classification: ["bill", "appropriation"]
subjects: ["Air pollution: enhanced motor vehicle inspection and maintenance program: San Francisco Bay Area Basin."]
status: "enacted"
primary_sponsors: ["Cardoza"]
version_count: 8
action_count: 23
vote_count: 8
first_action: "2002-02-22"
last_action: "2002-09-27"
source: "openstates"
source_identifier: "ocd-bill/57a807a4-1def-4019-96b7-81084fd00918"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB2637"
source_hash: "2733478daf428ef7e282408b175d1af9ebe806155a1ba140a542a39a03060747"
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 2637 (20012002) — Air pollution: enhanced motor vehicle inspection and maintenance program: San Francisco Bay Area Basin.

## Version chain

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

1. **02/22/02 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2637&version=20010AB263799INT)
2. **04/22/02 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2637&version=20010AB263798AMD)
3. **08/05/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2637&version=20010AB263797AMD)
4. **08/12/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2637&version=20010AB263796AMD)
5. **08/22/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2637&version=20010AB263795AMD)
6. **09/27/02 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2637&version=20010AB263793CHP)
7. **AB2637** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB2637)
8. **08/28/02 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2637&version=20010AB263794ENR)

## Votes

- Placed on Appropriations Suspense file. — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · upper
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Assembly 3rd Reading AB2637 Cardoza By Costa — **pass** (pass) · upper
- Do pass. — **pass** (pass) · lower
- AB 2637 Cardoza Concurrence in Senate Amendments — **pass** (pass) · lower
- AB 2637 Cardoza Assembly Third Reading — **pass** (pass) · lower

## Sponsors

- Cardoza — primary (person)
- Ashburn — coauthor (person)
- Briggs — coauthor (person)
- Cogdill — coauthor (person)
- Costa — coauthor (person)
- Cox — author (person)
- Florez — coauthor (person)
- Machado — coauthor (person)
- Matthews — author (person)
- Monteith — coauthor (person)
- Ortiz — coauthor (person)
- Pescetti — coauthor (person)
- Reyes — coauthor (person)
- Steinberg — coauthor (person)

## Timeline

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

- **2002-09-27** Chaptered by Secretary of State - Chapter 1001, Statutes of 2002.
- **2002-09-27** Approved by the Governor. `executive-signature`
- **2002-09-11** Enrolled and to the Governor at 11:30 a.m.
- **2002-08-30** (Corrected August 29. )
- **2002-08-28** Assembly Rule 77 suspended. Senate amendments concurred in. To enrollment. (Ayes 70. Noes 5. Page 8300.) `committee-passage-favorable, amendment-passage`
- **2002-08-27** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 29 pursuant to Assembly Rule 77.
- **2002-08-27** Read third time, passed, and to Assembly. (Ayes 28. Noes 3. Page 5800.) `passage, reading-1, reading-3`
- **2002-08-22** From committee: Amend, and do pass as amended. (Ayes 9. Noes 0.). Read second time and amended. Ordered to third reading. `reading-2, reading-1, committee-passage, amendment-introduction, amendment-passage`
- **2002-08-15** In committee: Placed on Appropriations suspense file.
- **2002-08-12** 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, referral-committee, reading-2, amendment-introduction, amendment-passage`
- **2002-08-07** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 12. Noes 1.). `committee-passage-favorable, referral-committee, committee-passage`
- **2002-08-05** Referred to Standing Committee on Transportation From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Transportation. `reading-1, referral-committee, reading-2, amendment-introduction, amendment-passage`
- **2002-05-24** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2002-05-23** Read third time, passed, and to Senate. (Ayes 61. Noes 6. Page 6321.) `passage, reading-1, reading-3`
- **2002-05-23** From committee: Do pass. (Ayes 18. Noes 0.) (May 22). Read second time. To third reading. `reading-2, committee-passage-favorable, reading-1, committee-passage`
- **2002-05-09** In committee: Set, first hearing. Referred to Standing Committee on Appropriations suspense file. `referral-committee`
- **2002-04-25** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **2002-04-22** Read second time and amended. `reading-2, amendment-passage, reading-1`
- **2002-04-18** From committee: Amend, and do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 14. Noes 2.) (April 15). `amendment-introduction, referral-committee, committee-passage, amendment-passage`
- **2002-03-14** Referred to Standing Committee on Transportation. `referral-committee`
- **2002-02-25** Read first time. `reading-1`
- **2002-02-24** From printer. May be heard in committee March 26.
- **2002-02-22** Introduced. To print. `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/57a807a4-1def-4019-96b7-81084fd00918`. Confidence: reported (aggregated from official California legislature records).