republic-os/legislation/us/states/il/96th/hb-4722.md

---
type: "Bill"
title: "ANTIFREEZE BITTERING ACT"
description: "Creates the Antifreeze Bittering Act. Provides that any engine coolant or antifreeze that is manufactured after January 1, 2011, and subsequently sold within the State, and that contains more than 10% ethylene glycol, shall include denatonium benzoate at a minimum of 30 parts per million and a maximum of 50 parts per million as a bittering agent within the product so as to render it unpalatable. Requires a manufacturer of a product subject to this Act to maintain a record of the trade name, scientific name, and active ingredients of any bittering agent used and to make such information available to the public upon request. Provides that subject to certain exceptions, a manufacturer, processor, distributor, recycler, or seller of an engine coolant or antifreeze that is required to contain an aversive agent shall not be liable to any person for any personal injury, death, property damage, damage to the environment (including natural resources), or economic loss that results from the inclusion of denatonium benzoate in any engine coolant or antifreeze, provided that the inclusion of denatonium benzoate is present in concentrations mandated under the Act. Contains provisions concerning exemptions and penalties. Denies home rule powers."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "96th"
identifier: "HB 4722"
citation: "Illinois HB 4722 (96th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 46
vote_count: 2
first_action: "2009-12-17"
last_action: "2010-07-23"
source: "openstates"
source_identifier: "ocd-bill/4fee98ff-8d02-4096-baa6-ef3c2c8a0be5"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=4722&GAID=10&DocTypeID=HB&LegId=49018&SessionID=76&GA=96"
source_hash: "a7a7316c968ad4cbfb84815b0d78ac567cfa9b9c5467fadd1662dac45e7987de"
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-il"]
---

# Illinois HB 4722 (96th) — ANTIFREEZE BITTERING ACT

Creates the Antifreeze Bittering Act. Provides that any engine coolant or antifreeze that is manufactured after January 1, 2011, and subsequently sold within the State, and that contains more than 10% ethylene glycol, shall include denatonium benzoate at a minimum of 30 parts per million and a maximum of 50 parts per million as a bittering agent within the product so as to render it unpalatable. Requires a manufacturer of a product subject to this Act to maintain a record of the trade name, scientific name, and active ingredients of any bittering agent used and to make such information available to the public upon request. Provides that subject to certain exceptions, a manufacturer, processor, distributor, recycler, or seller of an engine coolant or antifreeze that is required to contain an aversive agent shall not be liable to any person for any personal injury, death, property damage, damage to the environment (including natural resources), or economic loss that results from the inclusion of denatonium benzoate in any engine coolant or antifreeze, provided that the inclusion of denatonium benzoate is present in concentrations mandated under the Act. Contains provisions concerning exemptions and penalties. Denies home rule powers.

## Version chain

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

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09600HB4722&GA=96&SessionId=76&DocTypeId=HB&LegID=49018&DocNum=4722&GAID=10&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09600HB4722eng&GA=96&SessionId=76&DocTypeId=HB&LegID=49018&DocNum=4722&GAID=10&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09600HB4722enr&GA=96&SessionId=76&DocTypeId=HB&LegID=49018&DocNum=4722&GAID=10&Session=&print=true)

## Votes

- Third Reading — **55–0** (pass) · upper
- Third Reading — **115–0** (pass) · lower

## Sponsors

- Sara Feigenholtz — primary (person)

## Timeline

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

- **2009-12-17** Filed with the Clerk by Rep. Sara Feigenholtz `filing`
- **2010-01-04** First Reading `reading-1`
- **2010-01-04** Referred to Rules Committee `referral-committee`
- **2010-01-13** Added Chief Co-Sponsor Rep. Renée Kosel
- **2010-01-27** Referred to Consumer Protection Committee `referral-committee`
- **2010-02-04** Do Pass / Short Debate Consumer Protection Committee; 012-000-000 `committee-passage`
- **2010-02-04** Placed on Calendar 2nd Reading - Short Debate
- **2010-02-09** Added Chief Co-Sponsor Rep. Dave Winters
- **2010-02-11** Added Chief Co-Sponsor Rep. Carol A. Sente
- **2010-02-16** Second Reading - Short Debate `reading-2`
- **2010-02-16** Held on Calendar Order of Second Reading - Short Debate `reading-2`
- **2010-02-24** Added Co-Sponsor Rep. Sandy Cole
- **2010-02-24** Added Co-Sponsor Rep. Eddie Washington
- **2010-02-24** Added Co-Sponsor Rep. Lou Lang
- **2010-02-24** Added Co-Sponsor Rep. Harry Osterman
- **2010-02-25** House Floor Amendment No. 1 Filed with Clerk by Rep. Sara Feigenholtz `amendment-introduction`
- **2010-02-25** House Floor Amendment No. 1 Referred to Rules Committee `referral-committee`
- **2010-02-25** Added Co-Sponsor Rep. Elizabeth Hernandez
- **2010-02-25** Added Co-Sponsor Rep. Daniel J. Burke
- **2010-02-25** Added Co-Sponsor Rep. Elizabeth Coulson
- **2010-03-08** House Floor Amendment No. 1 Recommends Be Adopted Rules Committee; 004-000-000 `committee-passage-favorable`
- **2010-03-10** Added Co-Sponsor Rep. John A. Fritchey
- **2010-03-10** Second Reading - Short Debate `reading-2`
- **2010-03-10** House Floor Amendment No. 1 Adopted by Voice Vote `amendment-passage`
- **2010-03-10** Placed on Calendar Order of 3rd Reading - Short Debate
- **2010-03-11** Third Reading - Short Debate - Passed 115-000-000 `reading-3, passage`
- **2010-03-11** Added Co-Sponsor Rep. JoAnn D. Osmond
- **2010-03-11** Added Co-Sponsor Rep. Karen May
- **2010-03-11** Added Co-Sponsor Rep. Eddie Lee Jackson, Sr.
- **2010-03-11** Arrive in Senate `introduction`
- **2010-03-11** Placed on Calendar Order of First Reading `reading-1`
- **2010-03-11** Chief Senate Sponsor Sen. Linda Holmes
- **2010-03-11** First Reading `reading-1`
- **2010-03-11** Referred to Assignments `referral-committee`
- **2010-04-06** Assigned to Consumer Protection `referral-committee`
- **2010-04-15** Do Pass Consumer Protection; 006-000-000 `committee-passage`
- **2010-04-15** Placed on Calendar Order of 2nd Reading April 20, 2010
- **2010-04-21** Second Reading `reading-2`
- **2010-04-21** Placed on Calendar Order of 3rd Reading April 22, 2010
- **2010-04-27** Added as Alternate Chief Co-Sponsor Sen. John J. Millner
- **2010-04-27** Third Reading - Passed; 055-000-000 `reading-3, passage`
- **2010-04-27** Passed Both Houses
- **2010-05-26** Sent to the Governor `executive-receipt`
- **2010-07-23** Governor Approved `executive-signature`
- **2010-07-23** Effective Date July 1, 2011
- **2010-07-23** Public Act . . . . . . . . . 96-1218 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/4fee98ff-8d02-4096-baa6-ef3c2c8a0be5`. Confidence: reported (aggregated from official Illinois legislature records).