---
type: "Bill"
title: "Use fuel tax: dimethyl ether: fuel blend."
description: "(1) Existing law requires the Department of Food and Agriculture to establish specifications for automotive spark-ignition engine fuels, as prescribed. Existing law requires the antiknock index for gasoline and gasoline-oxygenate blends to not be less than 87. Existing law makes a violation of the provisions relating to weights and measures, including fuels and lubricants, a crime."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20192020"
identifier: "AB 2663"
citation: "California AB 2663 (20192020)"
classification: ["bill"]
subjects: ["Use fuel tax: dimethyl ether: fuel blend."]
status: "enacted"
primary_sponsors: ["Eduardo Garcia"]
version_count: 7
action_count: 25
vote_count: 8
first_action: "2020-02-20"
last_action: "2020-09-24"
source: "openstates"
source_identifier: "ocd-bill/899ffe0d-a0c4-4d58-a678-32cebbd24de8"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB2663"
source_hash: "0eb735792274b0c9b3505b6c4d090eb672a6ee7760b605249d09a82ca24f11cc"
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 2663 (20192020) — Use fuel tax: dimethyl ether: fuel blend.

(1) Existing law requires the Department of Food and Agriculture to establish specifications for automotive spark-ignition engine fuels, as prescribed. Existing law requires the antiknock index for gasoline and gasoline-oxygenate blends to not be less than 87. Existing law makes a violation of the provisions relating to weights and measures, including fuels and lubricants, a crime.

## Version chain

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

1. **02/20/20 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB2663&version=20190AB266399INT)
2. **05/05/20 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB2663&version=20190AB266398AMD)
3. **06/04/20 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB2663&version=20190AB266397AMD)
4. **07/30/20 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB2663&version=20190AB266396AMD)
5. **09/24/20 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB2663&version=20190AB266394CHP)
6. **AB2663** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB2663)
7. **09/01/20 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB2663&version=20190AB266395ENR)

## Votes

- Do pass — **7–0** (pass) · upper
- Special Consent AB2663 — **39–0** (pass) · upper
- Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — **14–0** (pass) · upper
- AB 2663 Eduardo Garcia Concurrence in Senate Amendments — **75–0** (pass) · lower
- Do pass as amended. — **18–0** (pass) · lower
- Do pass and be re-referred to the Committee on [Appropriations] with recommendation: To Consent Calendar — **19–0** (pass) · lower
- Placed on suspense file — **7–0** (pass) · upper
- AB 2663 Eduardo Garcia Assembly Third Reading — **78–0** (pass) · lower

## Sponsors

- Eduardo Garcia — primary (person)

## Timeline

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

- **2020-02-20** Read first time. To print. `reading-1`
- **2020-02-21** From printer. May be heard in committee March 22.
- **2020-03-12** Referred to Coms. on B. & P. and REV. & TAX. `referral-committee`
- **2020-05-05** From committee chair, with author's amendments: Amend, and re-refer to Com. on B. & P. Read second time and amended. `reading-1, reading-2, amendment-passage, amendment-introduction`
- **2020-05-06** Re-referred to Com. on B. & P. `referral-committee`
- **2020-05-22** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 19. Noes 0.) (May 21). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2020-06-02** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2020-06-03** From committee: Amend, and do pass as amended. (Ayes 18. Noes 0.) (June 3). `amendment-passage, committee-passage, amendment-introduction`
- **2020-06-04** Read second time and amended. Ordered returned to second reading. `amendment-passage, reading-1, reading-2`
- **2020-06-08** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2020-06-11** Read third time. Passed. Ordered to the Senate. (Ayes 78. Noes 0. Page 4832.) `passage, reading-3, reading-1`
- **2020-06-11** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2020-07-01** Referred to Com. on TRANS. `referral-committee`
- **2020-07-30** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on TRANS. `reading-1, reading-2, amendment-passage, referral-committee, amendment-introduction`
- **2020-08-04** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 14. Noes 0.) (August 4). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2020-08-13** In committee: Referred to APPR. suspense file. `referral-committee`
- **2020-08-20** From committee: Do pass. (Ayes 7. Noes 0.) (August 20). `committee-passage-favorable, committee-passage`
- **2020-08-20** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2020-08-25** Ordered to special consent calendar.
- **2020-08-28** Read third time. Passed. Ordered to the Assembly. (Ayes 39. Noes 0. Page 4383.). `passage, reading-3, reading-1`
- **2020-08-28** In Assembly. Concurrence in Senate amendments pending.
- **2020-08-30** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 75. Noes 0. Page 5315.). `amendment-passage, committee-passage-favorable`
- **2020-09-11** Enrolled and presented to the Governor at 3 p.m.
- **2020-09-24** Approved by the Governor. `executive-signature`
- **2020-09-24** Chaptered by Secretary of State - Chapter 117, Statutes of 2020.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/899ffe0d-a0c4-4d58-a678-32cebbd24de8`. Confidence: reported (aggregated from official California legislature records).