republic-os/legislation/us/states/il/98th/sb-3574.md

---
type: "Bill"
title: "NATURAL GAS VEHICLES"
description: "Amends the Illinois Income Tax Act. Provides that persons that purchase a new motor vehicle with a gross vehicle weight rating of 33,000 pounds or more that uses natural gas as a motor fuel are entitled to an income tax credit equal to the lesser of $18,000 or half the difference between the purchase price of the natural gas vehicle and a similarly equipped gasoline or diesel vehicle of the same make and model. Amends the Motor Fuel Tax Law. Provides that motor carriers that employ natural gas vehicles are entitled to a refund on taxes paid under the Motor Fuel Tax Law equal to 12% of the taxes paid on the purchase of natural gas. Amends the Illinois Vehicle Code. Provides that the weight limitations on motor vehicles are increased by 2,000 pounds for vehicles that use natural gas as a motor fuel."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "98th"
identifier: "SB 3574"
citation: "Illinois SB 3574 (98th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 49
vote_count: 3
first_action: "2014-02-14"
last_action: "2014-08-22"
source: "openstates"
source_identifier: "ocd-bill/42925146-9fd5-4034-bad3-5ffd10f67c52"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=3574&GAID=12&DocTypeID=SB&LegId=81155&SessionID=85&GA=98"
source_hash: "0afcd6024c2003460830a42a2f5d6c617d696b72976674aeafca4507246be7b0"
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 3574 (98th) — NATURAL GAS VEHICLES

Amends the Illinois Income Tax Act. Provides that persons that purchase a new motor vehicle with a gross vehicle weight rating of 33,000 pounds or more that uses natural gas as a motor fuel are entitled to an income tax credit equal to the lesser of $18,000 or half the difference between the purchase price of the natural gas vehicle and a similarly equipped gasoline or diesel vehicle of the same make and model. Amends the Motor Fuel Tax Law. Provides that motor carriers that employ natural gas vehicles are entitled to a refund on taxes paid under the Motor Fuel Tax Law equal to 12% of the taxes paid on the purchase of natural gas. Amends the Illinois Vehicle Code. Provides that the weight limitations on motor vehicles are increased by 2,000 pounds for vehicles that use natural gas as a motor fuel.

## 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=09800SB3574&GA=98&SessionId=85&DocTypeId=SB&LegID=81155&DocNum=3574&GAID=12&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09800SB3574eng&GA=98&SessionId=85&DocTypeId=SB&LegID=81155&DocNum=3574&GAID=12&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09800SB3574enr&GA=98&SessionId=85&DocTypeId=SB&LegID=81155&DocNum=3574&GAID=12&Session=&print=true)

## Votes

- Concurrence — **56–0** (pass) · upper
- Third Reading — **114–0** (pass) · lower
- Third Reading — **58–0** (pass) · upper

## Sponsors

- Martin A. Sandoval — primary (person)

## Timeline

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

- **2014-02-14** Filed with Secretary by Sen. Martin A. Sandoval `filing`
- **2014-02-14** First Reading `reading-1`
- **2014-02-14** Referred to Assignments `referral-committee`
- **2014-03-05** Assigned to Revenue `referral-committee`
- **2014-03-20** Senate Committee Amendment No. 1 Filed with Secretary by Sen. Martin A. Sandoval `amendment-introduction`
- **2014-03-20** Senate Committee Amendment No. 1 Referred to Assignments `referral-committee`
- **2014-03-25** Senate Committee Amendment No. 1 Assignments Refers to Revenue
- **2014-03-26** Senate Committee Amendment No. 1 Adopted `amendment-passage`
- **2014-03-27** Do Pass as Amended Revenue; 011-000-000 `committee-passage`
- **2014-03-27** Placed on Calendar Order of 2nd Reading April 1, 2014
- **2014-04-04** Senate Floor Amendment No. 2 Filed with Secretary by Sen. Martin A. Sandoval `amendment-introduction`
- **2014-04-04** Senate Floor Amendment No. 2 Referred to Assignments `referral-committee`
- **2014-04-07** Senate Floor Amendment No. 2 Assignments Refers to Revenue
- **2014-04-08** Senate Floor Amendment No. 2 Recommend Do Adopt Revenue; 008-000-000
- **2014-04-08** Second Reading `reading-2`
- **2014-04-08** Senate Floor Amendment No. 2 Adopted; Sandoval `amendment-passage`
- **2014-04-08** Placed on Calendar Order of 3rd Reading April 9, 2014
- **2014-04-09** Third Reading - Passed; 058-000-000 `reading-3, passage`
- **2014-04-09** Arrived in House `introduction`
- **2014-04-09** Chief House Sponsor Rep. Daniel J. Burke
- **2014-04-09** First Reading `reading-1`
- **2014-04-09** Referred to Rules Committee `referral-committee`
- **2014-04-10** Alternate Chief Sponsor Changed to Rep. Rita Mayfield
- **2014-04-10** Added Alternate Chief Co-Sponsor Rep. Daniel J. Burke
- **2014-05-05** Assigned to Transportation: Regulation, Roads & Bridges Committee `referral-committee`
- **2014-05-09** House Committee Amendment No. 1 Filed with Clerk by Rep. Rita Mayfield `amendment-introduction`
- **2014-05-09** House Committee Amendment No. 1 Referred to Rules Committee `referral-committee`
- **2014-05-12** House Committee Amendment No. 1 Rules Refers to Transportation: Regulation, Roads & Bridges Committee
- **2014-05-13** House Committee Amendment No. 1 Adopted in Transportation: Regulation, Roads & Bridges Committee; by Voice Vote `amendment-passage`
- **2014-05-13** Do Pass as Amended / Short Debate Transportation: Regulation, Roads & Bridges Committee; 015-000-000 `committee-passage`
- **2014-05-14** Placed on Calendar 2nd Reading - Short Debate
- **2014-05-15** Second Reading - Short Debate `reading-2`
- **2014-05-15** Placed on Calendar Order of 3rd Reading - Short Debate
- **2014-05-15** Added Alternate Chief Co-Sponsor Rep. Anthony DeLuca
- **2014-05-23** Final Action Deadline Extended-9(b) May 30, 2014
- **2014-05-27** Third Reading - Short Debate - Passed 114-000-000 `reading-3, passage`
- **2014-05-28** Secretary's Desk - Concurrence House Amendment(s) 1
- **2014-05-28** Placed on Calendar Order of Concurrence House Amendment(s) 1 - May 29, 2014
- **2014-05-28** House Committee Amendment No. 1 Motion to Concur Filed with Secretary Sen. Martin A. Sandoval `filing`
- **2014-05-28** House Committee Amendment No. 1 Motion to Concur Referred to Assignments `referral-committee`
- **2014-05-29** House Committee Amendment No. 1 Motion to Concur Assignments Referred to Transportation `referral-committee`
- **2014-05-29** House Committee Amendment No. 1 Motion To Concur Recommended Do Adopt Transportation; 015-000-000
- **2014-05-29** Added as Co-Sponsor Sen. Thomas Cullerton
- **2014-05-30** House Committee Amendment No. 1 Senate Concurs 056-000-000
- **2014-05-30** Passed Both Houses
- **2014-06-27** Sent to the Governor `executive-receipt`
- **2014-08-22** Governor Approved `executive-signature`
- **2014-08-22** Effective Date January 1, 2015
- **2014-08-22** Public Act . . . . . . . . . 98-1029 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/42925146-9fd5-4034-bad3-5ffd10f67c52`. Confidence: reported (aggregated from official Illinois legislature records).