*ES0103.1*
April 3, 2025
ENGROSSED
SENATE BILL No. 103
_____
DIGEST OF SB 103 (Updated April 2, 2025 2:30 pm - DI 150)
Citations Affected: IC 13-17.
Synopsis: Vehicle emissions. Requires IDEM to: (1) perform a
comprehensive evaluation of ambient air quality within nonattainment
areas in Indiana; and (2) identify air pollution reduction or regulatory
relief strategies that could accomplish certain goals with respect to the
federal Clean Air Act.
Effective: July 1, 2025.
Niemeyer, Dernulc, Bassler,
Randolph Lonnie M, Pol Jr.
(HOUSE SPONSORS — SLAGER, OLTHOFF, AYLESWORTH, ANDRADE)
January 8, 2025, read first time and referred to Committee on Environmental Affairs.
January 27, 2025, reported favorably — Do Pass.
January 30, 2025, read second time, ordered engrossed. Engrossed.
February 4, 2025, returned to second reading.
February 13, 2025, re-read second time, amended, ordered engrossed.
February 14, 2025, re-engrossed.
February 17, 2025, read third time, passed. Yeas 47, nays 0.
HOUSE ACTION
March 3, 2025, read first time and referred to Committee on Environmental Affairs.
April 3, 2025, amended, reported — Do Pass.
ES 103—LS 6226/DI 153 April 3, 2025
First Regular Session of the 124th General Assembly (2025)
PRINTING CODE. Amendments: Whenever an existing statute (or a section of the Indiana
Constitution) is being amended, the text of the existing provision will appear in this style type,
additions will appear in this style type, and deletions will appear in this style type.
Additions: Whenever a new statutory provision is being enacted (or a new constitutional
provision adopted), the text of the new provision will appear in this style type. Also, the
word NEW will appear in that style type in the introductory clause of each SECTION that adds
a new provision to the Indiana Code or the Indiana Constitution.
Conflict reconciliation: Text in a statute in this style type or this style type reconciles conflicts
between statutes enacted by the 2024 Regular Session of the General Assembly.
ENGROSSED
SENATE BILL No. 103
A BILL FOR AN ACT to amend the Indiana Code concerning
environmental law.
Be it enacted by the General Assembly of the State of Indiana:
1 SECTION 1. IC 13-17-5-10 IS ADDED TO THE INDIANA CODE
2 AS A NEW SECTION TO READ AS FOLLOWS [EFFECTIVE JULY
3 1, 2025]: Sec. 10. Not later than December 31, 2025, the department
4 shall do the following:
5 (1) Perform a comprehensive evaluation of ambient air
6 quality within any nonattainment areas in Indiana.
7 (2) Identify air pollution reduction or regulatory relief
8 strategies that can do the following with respect to the federal
9 Clean Air Act (42 U.S.C. 7401 et seq.), as amended by the
10 federal Clean Air Act Amendments of 1990 (P.L.101-549):
11 (A) Ensure that affected areas within Indiana are no
12 longer designated as nonattainment.
13 (B) Result in the eventual phase out of the inspection and
14 maintenance program for light duty vehicles.
15 (C) Meet emissions goals.
16 (D) Appropriately address air pollution contributions to
17 nonattainment areas in Indiana from sources that cannot
ES 103—LS 6226/DI 153 2
1 be addressed by state or local controls, including
2 contributions from international, natural or background,
3 interstate, mobile, and stationary sources as well as
4 exceptional events that are unlikely to recur.
5 (E) Result in the withdrawal of Lake County and Porter
6 County from the Metropolitan Chicago Interstate Air
7 Quality Control Region.
8 In identifying strategies under subdivision (2), the department
9 must coordinate with the United States Environmental Protection
10 Agency.
ES 103—LS 6226/DI 153 3
COMMITTEE REPORT
Mr. President: The Senate Committee on Environmental Affairs, to
which was referred Senate Bill No. 103, has had the same under
consideration and begs leave to report the same back to the Senate with
the recommendation that said bill DO PASS.
(Reference is to SB 103 as introduced.)
NIEMEYER, Chairperson
Committee Vote: Yeas 11, Nays 0
_____
SENATE MOTION
Mr. President: I move that Engrossed Senate Bill 103, which is
eligible for third reading, be returned to second reading for purposes of
amendment.
NIEMEYER
_____
SENATE MOTION
Mr. President: I move that Senate Bill 103 be amended to read as
follows:
Page 2, after line 5, begin a new paragraph and insert:
"SECTION 2. IC 13-17-5-11 IS ADDED TO THE INDIANA CODE
AS A NEW SECTION TO READ AS FOLLOWS [EFFECTIVE JULY
1, 2025]: Sec. 11. Not later than December 31, 2025, the department
shall do the following:
(1) Perform a comprehensive evaluation of ambient air
quality within any nonattainment areas in Indiana.
(2) Identify air pollution reduction or regulatory relief
strategies that can do the following with respect to the federal
Clean Air Act (42 U.S.C. 7401 et seq.), as amended by the
federal Clean Air Act Amendments of 1990 (P.L.101-549):
(A) Ensure that affected areas within Indiana are no
longer designated as nonattainment.
(B) Result in the eventual phase out of the inspection and
maintenance program for light duty vehicles.
ES 103—LS 6226/DI 153 4
(C) Meet emissions goals.
(D) Appropriately address air pollution contributions to
nonattainment areas in Indiana from sources that cannot
be addressed by state or local controls, including
contributions from international, natural or background,
interstate, mobile, and stationary sources as well as
exceptional events that are unlikely to recur.
(E) Result in the withdrawal of Lake County and Porter
County from the Metropolitan Chicago Interstate Air
Quality Control Region.
In identifying strategies under subdivision (2), the department
must coordinate with the United States Environmental Protection
Agency.".
(Reference is to SB 103 as printed January 28, 2025.)
NIEMEYER
_____
COMMITTEE REPORT
Mr. Speaker: Your Committee on Environmental Affairs, to which
was referred Senate Bill 103, has had the same under consideration and
begs leave to report the same back to the House with the
recommendation that said bill be amended as follows:
Page 1, delete lines 1 through 17.
Page 2, delete lines 1 through 5.
Page 2, line 6, delete "IC 13-17-5-11" and insert "IC 13-17-5-10".
Page 2, line 8, delete "11." and insert "10.".
Renumber all SECTIONS consecutively.
and when so amended that said bill do pass.
(Reference is to SB 103 as reprinted February 14, 2025.)
BAIRD
Committee Vote: yeas 13, nays 0.
ES 103—LS 6226/DI 153