---
type: "Bill"
title: "EPA-NITROGEN OXIDE EMISSIONS"
description: "EPA-NITROGEN OXIDE EMISSIONS"
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "91st"
identifier: "SB 1088"
citation: "Illinois SB 1088 (91st)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 1
action_count: 70
vote_count: 0
first_action: "1999-02-26T00:00:00-06:00"
last_action: "1999-08-19T00:00:00-05:00"
source: "openstates"
source_identifier: "ocd-bill/9c2b25bc-0476-4846-9569-3e33b26adb34"
source_url: "http://www.ilga.gov/legislation/legisnet91/91gatoc.html"
source_hash: "936bec0104a6a7a148042085bca4be42bf9b448498935501d311626ce922bc99"
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 SB 1088 (91st) — EPA-NITROGEN OXIDE EMISSIONS

## Version chain

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

1. **SB1088** (committee substitute) — [source](http://www.ilga.gov/legislation/legisnet91/sbgroups/sb/910SB1088LV.html)

## Sponsors

- BASSI — cosponsor (person)
- BELLOCK — cosponsor (person)
- ERWIN — cosponsor (person)
- HASSERT — cosponsor (person)
- LINK — cosponsor (person)
- PHILIP — cosponsor (person)
- RIGHTER — cosponsor (person)
- SULLIVAN — cosponsor (person)

## Timeline

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

- **1999-02-26T00:00:00-06:00** FIRST READING `reading-1`
- **1999-02-26T00:00:00-06:00** REFERRED TO SENATE RULES COMMITTEE RULES `referral-committee`
- **1999-03-03T00:00:00-06:00** ASSIGNED TO COMMITTEE ENVIR & ENE `referral-committee`
- **1999-03-10T00:00:00-06:00** POSTPONED
- **1999-03-17T00:00:00-06:00** DO PASS 010-000-000 SENV
- **1999-03-17T00:00:00-06:00** PLACED ON CALENDAR ORDER OF 2ND READING 99-03-18
- **1999-03-19T00:00:00-06:00** SECOND READING `reading-2`
- **1999-03-19T00:00:00-06:00** PLACED ON CALENDAR ORDER OF 3RD READING 99-03-22
- **1999-03-23T00:00:00-06:00** THIRD READING - PASSED 057-000-000 `reading-3`
- **1999-03-23T00:00:00-06:00** ARRIVE IN HOUSE
- **1999-03-23T00:00:00-06:00** PLACED CALENDAR ORDER OF FIRST READING
- **1999-03-24T00:00:00-06:00** HOUSE SPONSOR RIGHTER
- **1999-03-24T00:00:00-06:00** FIRST READING `reading-1`
- **1999-03-24T00:00:00-06:00** REFERRED TO HOUSE RULES COMMITTEE RULES `referral-committee`
- **1999-03-26T00:00:00-06:00** ADDED AS A JOINT SPONSOR ERWIN
- **1999-04-14T00:00:00-05:00** ASSIGNED TO COMMITTEE ENVRMNT ENRGY `referral-committee`
- **1999-04-20T00:00:00-05:00** ADDED AS A JOINT SPONSOR BASSI
- **1999-04-21T00:00:00-05:00** ADDED AS A JOINT SPONSOR BELLOCK
- **1999-04-22T00:00:00-05:00** DO PASS/SHORT DEBATE 013-000-000 HENE
- **1999-04-22T00:00:00-05:00** PLACED CALENDAR 2ND READING-SHORT DEBATE
- **1999-04-27T00:00:00-05:00** SECOND READING-SHORT DEBATE `reading-2`
- **1999-04-27T00:00:00-05:00** PLCD CAL ORDER 3RD READING-SHORT DEBATE
- **1999-04-28T00:00:00-05:00** RECALLED TO SECOND READING-SHORT DEBATE
- **1999-04-28T00:00:00-05:00** AMENDMENT NO. 01-RIGHTER
- **1999-04-28T00:00:00-05:00** AMENDMENT REFERRED TO HRUL
- **1999-04-28T00:00:00-05:00** HELD ON CAL ORDER 2ND RDG - SHORT DEBATE
- **1999-05-06T00:00:00-05:00** AMENDMENT NO. 01-RIGHTER
- **1999-05-06T00:00:00-05:00** RECOMMENDS BE ADOPTED HRUL/003-002-000
- **1999-05-06T00:00:00-05:00** HELD ON CAL ORDER 2ND RDG - SHORT DEBATE
- **1999-05-07T00:00:00-05:00** ADDED AS A JOINT SPONSOR HASSERT
- **1999-05-13T00:00:00-05:00** AMENDMENT NO. 01-RIGHTER
- **1999-05-13T00:00:00-05:00** ADOPTED `passage`
- **1999-05-13T00:00:00-05:00** PLCD CAL ORDER 3RD READING-SHORT DEBATE
- **1999-05-14T00:00:00-05:00** THIRD READING/SHORT DEBATE/PASSED 113-000-000 `reading-3`
- **1999-05-14T00:00:00-05:00** SECRETARYS DESK - CONCURRENCE 01
- **1999-05-17T00:00:00-05:00** MOTION NON-CONCUR - HOUSE AMENDMENT NO 01-SULLIVAN
- **1999-05-17T00:00:00-05:00** SEN NON-CONCURS IN HSE AMENDMENTS (NO.) 01
- **1999-05-17T00:00:00-05:00** ARRIVE IN HOUSE
- **1999-05-17T00:00:00-05:00** PLACED CALENDAR ORDER NON-CONCURRENCE 01
- **1999-05-19T00:00:00-05:00** MOTION REFUSE RECEDE - HSE AMEND NO 01/RIGHTER
- **1999-05-19T00:00:00-05:00** CALENDAR ORDER OF NON-CONCURRENCE 01
- **1999-05-21T00:00:00-05:00** HSE REFUSES TO RECEDE FROM AMENDMENT NO 01
- **1999-05-21T00:00:00-05:00** HSE REQUESTS CONFERENCE COMMITTEE 1ST
- **1999-05-21T00:00:00-05:00** HSE CONFERENCE COMMITTEE APPOINTED 1ST/ERWIN,
- **1999-05-21T00:00:00-05:00** NOVAK, CURRIE,
- **1999-05-21T00:00:00-05:00** TENHOUSE & RIGHTER
- **1999-05-21T00:00:00-05:00** SEN ACCEDE REQUEST CONFERENCE COMMITTEE 1ST
- **1999-05-24T00:00:00-05:00** SEN CONFERENCE COMMITTEE APPOINTED 1ST/SULLIVAN,
- **1999-05-24T00:00:00-05:00** MAHAR, MAITLAND,
- **1999-05-24T00:00:00-05:00** BOWLES, JACOBS
- **1999-05-24T00:00:00-05:00** FILED WITH SECRETARY `introduction`
- **1999-05-24T00:00:00-05:00** CONFERENCE COMMITTEE REPORT 1ST/SULLIVAN
- **1999-05-24T00:00:00-05:00** CONFERENCE COMMITTEE REPORT REFERRED TO SRUL
- **1999-05-25T00:00:00-05:00** HSE CONFERENCE COMMITTEE REPORT SUBMITED 1ST/RIGHTER
- **1999-05-25T00:00:00-05:00** CONFERENCE COMMITTEE REPORT REFERRED TO HRUL
- **1999-05-25T00:00:00-05:00** RECOMMENDS BE ADOPTED 1ST/003-002-000
- **1999-05-25T00:00:00-05:00** HOUSE ADOPTED CONFERENCE REPORT 1ST/114-000-000
- **1999-05-25T00:00:00-05:00** CONFERENCE COMMITTEE REPORT 1ST/SULLIVAN
- **1999-05-25T00:00:00-05:00** RULES REFERS TO SENV
- **1999-05-25T00:00:00-05:00** ADDED AS A CHIEF CO-SPONSOR LINK
- **1999-05-27T00:00:00-05:00** CONFERENCE COMMITTEE REPORT 1ST/SULLIVAN
- **1999-05-27T00:00:00-05:00** BE APPROVED FOR CONSIDERATION SENV/010-000-000
- **1999-05-27T00:00:00-05:00** SEN CONFERENCE COMMITTEE REPORT SUBMITED 1ST/SULLIVAN
- **1999-05-27T00:00:00-05:00** SENATE ADOPTED CONFERENCE REPORT 1ST/058-000-000
- **1999-05-27T00:00:00-05:00** BOTH HOUSES ADOPTED CONFERENCE REPORT 1ST
- **1999-05-27T00:00:00-05:00** PASSED BOTH HOUSES
- **1999-06-25T00:00:00-05:00** SENT TO THE GOVERNOR `executive-receipt`
- **1999-08-19T00:00:00-05:00** GOVERNOR APPROVED `executive-signature`
- **1999-08-19T00:00:00-05:00** EFFECTIVE DATE 99-08-19
- **1999-08-19T00:00:00-05:00** PUBLIC ACT.............................. 91-0631

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9c2b25bc-0476-4846-9569-3e33b26adb34`. Confidence: reported (aggregated from official Illinois legislature records).