---
type: "Bill"
title: "Air pollution: diesel emissions: California Port Community Air Quality Program: Bay Area Air Quality Management District and South Coast Air Quality Management District."
description: "Air pollution: diesel emissions: California Port Community Air Quality Program: Bay Area Air Quality Management District and South Coast Air Quality Management District."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20012002"
identifier: "AB 2650"
citation: "California AB 2650 (20012002)"
classification: ["bill"]
subjects: ["Air pollution: diesel emissions: California Port Community Air Quality Program: Bay Area Air Quality Management District and South Coast Air Quality Management District."]
status: "enacted"
primary_sponsors: ["Lowenthal"]
version_count: 12
action_count: 31
vote_count: 7
first_action: "2002-02-22"
last_action: "2002-09-30"
source: "openstates"
source_identifier: "ocd-bill/e957da0b-9ccb-43f6-a65b-d03dc396f2b5"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB2650"
source_hash: "a7d91a1ebd20629854487ea3b69897f770c24cfa2e49a415c135deeff7e3a5ae"
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 2650 (20012002) — Air pollution: diesel emissions: California Port Community Air Quality Program: Bay Area Air Quality Management District and South Coast Air Quality Management District.

## 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=200120020AB2650&version=20010AB265099INT)
2. **04/02/02 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2650&version=20010AB265098AMD)
3. **04/22/02 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2650&version=20010AB265097AMD)
4. **06/12/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2650&version=20010AB265096AMD)
5. **06/27/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2650&version=20010AB265095AMD)
6. **08/05/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2650&version=20010AB265094AMD)
7. **08/08/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2650&version=20010AB265093AMD)
8. **08/15/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2650&version=20010AB265092AMD)
9. **08/21/02 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2650&version=20010AB265091AMD)
10. **09/30/02 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2650&version=20010AB265089CHP)
11. **AB2650** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB2650)
12. **08/28/02 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB2650&version=20010AB265090ENR)

## Votes

- AB 2650 Lowenthal Assembly Third Reading — **pass** (pass) · lower
- Assembly 3rd Reading AB2650 Lowenthal By Karnette — **pass** (pass) · upper
- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass. — **pass** (pass) · lower
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Do pass as amended, and re-refer to the Committee on Local Government. — **pass** (pass) · upper
- AB 2650 Lowenthal Concurrence in Senate Amendments — **pass** (pass) · lower

## Sponsors

- Lowenthal — primary (person)
- Briggs — coauthor (person)
- Cedillo — coauthor (person)
- Correa — coauthor (person)
- Firebaugh — principal coauthor (person)
- Frommer — coauthor (person)
- Harman — coauthor (person)
- Karnette — coauthor (person)
- Koretz — coauthor (person)
- Longville — coauthor (person)
- Negrete McLeod — coauthor (person)
- Rod Pacheco — coauthor (person)

## Timeline

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

- **2002-09-30** Chaptered by Secretary of State - Chapter 1129, Statutes of 2002.
- **2002-09-30** Approved by the Governor. `executive-signature`
- **2002-09-11** Enrolled and to the Governor at 11:30 a.m.
- **2002-08-28** Assembly Rule 77 suspended. Senate amendments concurred in. To enrollment. (Ayes 75. Noes 2. Page 8336.) `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 23. Noes 7. Page 5763.) `passage, reading-1, reading-3`
- **2002-08-22** Read second time. To third reading. `reading-2, reading-1`
- **2002-08-21** Read second time. To third reading. Read third time, amended. To second reading. `reading-2, reading-1, reading-3, amendment-passage`
- **2002-08-20** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2002-08-15** 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`
- **2002-08-13** In committee: Hearing postponed by committee.
- **2002-08-13** (Corrected August 12. )
- **2002-08-08** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 6. Noes 0.). Read second time, amended, and re-referred to Standing Committee on Appropriations. `reading-1, referral-committee, committee-passage, reading-2, amendment-introduction, amendment-passage`
- **2002-08-05** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Local Government. `reading-1, referral-committee, reading-2, amendment-introduction, amendment-passage`
- **2002-06-27** Read second time, amended, and re-referred to Standing Committee on Local Government. `reading-2, reading-1, referral-committee, amendment-passage`
- **2002-06-26** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Local Government (Ayes 9. Noes 2.) (June 26). `amendment-introduction, referral-committee, committee-passage, amendment-passage`
- **2002-06-12** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Transportation. `reading-1, referral-committee, reading-2, amendment-introduction, amendment-passage`
- **2002-06-04** Referred to Standing Committee on Transportation and Standing Committee on Local Government. `referral-committee`
- **2002-05-30** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2002-05-29** Read third time, passed, and to Senate. (Ayes 66. Noes 7. Page 6527.) `passage, reading-1, reading-3`
- **2002-05-23** From committee: Do pass. (Ayes 17. Noes 7.) (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 15. Noes 1.) (April 8). `amendment-introduction, referral-committee, committee-passage, amendment-passage`
- **2002-04-04** Re-referred to Standing Committee on Transportation. `referral-committee`
- **2002-04-02** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Transportation Read second time and amended. `reading-2, referral-committee, reading-1, amendment-introduction, amendment-passage`
- **2002-03-18** 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** Assembly Rule 49(a) suspended. 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/e957da0b-9ccb-43f6-a65b-d03dc396f2b5`. Confidence: reported (aggregated from official California legislature records).