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HB2401 • 2026

fuel formulations; biennial review

HB2401 - fuel formulations; biennial review

Taxes
Passed Legislature

This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.

Sponsor
Julie Willoughby, Leo Biasiucci
Last action
2026-03-09
Official status
Senate second read
Effective date
Not listed

Plain English Breakdown

The official source does not provide details on how recommendations will be implemented after submission.

Review of Fuel Formulations for Air Quality

HB2401 requires the Arizona Department of Environmental Quality to review fuel formulations every two years and report on their potential impact on air quality in specific areas.

What This Bill Does

  • Requires ADEQ to conduct a biennial review of available and potentially available fuel formulations for use under federal air quality standards.
  • Directs ADEQ to assess the impacts of switching to various fuel formulations that are not authorized for use in Area A or C at the time of assessment.
  • Instructs ADEQ to note anticipated air quality impact of assessed fuel formulations in Area A and C.
  • Mandates ADEQ submit a report with recommendations to several state officials and provide a copy to the Secretary of State.

Who It Names or Affects

  • The Arizona Department of Environmental Quality (ADEQ)
  • Retail sellers and fleet owners who must comply with fuel standards
  • Residents in Area A and Area C, where specific air quality regulations apply

Terms To Know

Area A
A section of Arizona in Maricopa County and parts of Pinal County with restrictions to reduce air pollution.
Area C
The western part of Pinal County, excluding Area A and areas within federally recognized Indian tribes' jurisdiction.

Limits and Unknowns

  • Does not specify the exact penalties for failing to comply with fuel standards.
  • Does not provide details on how recommendations will be implemented after submission.

Bill History

  1. 2026-03-09 Senate

    Senate second read

  2. 2026-03-05 Senate

    Senate Rules: None

  3. 2026-03-05 Senate

    Senate Natural Resources: None

  4. 2026-03-05 Senate

    Senate first read

  5. 2026-02-24 Senate

    Transmitted to Senate

  6. 2026-02-24 House

    House third read passed

  7. 2026-02-23 House

    House committee of the whole

  8. 2026-02-10 House

    House minority caucus

  9. 2026-02-10 House

    House majority caucus

  10. 2026-02-09 House

    House consent calendar

  11. 2026-01-21 House

    House second read

  12. 2026-01-20 House

    House Rules: C&P

  13. 2026-01-20 House

    House Natural Resources, Energy & Water: DP

  14. 2026-01-20 House

    House first read

Official Summary Text

HB2401 - 572R - House Bill Summary

ARIZONA HOUSE OF REPRESENTATIVES

57th
Legislature, 2nd Regular Session

Majority Research Staff

House:
NREW DP 6-4-0-0

HB
2401
: fuel formulations; biennial review

Sponsor:
Representative Willoughby, LD 13

Caucus
& COW

Overview

Requires
the Arizona Department of Environmental Quality (ADEQ) conduct a biennial
review of available and potentially available fuel formulations for use under
federal air quality standards.

History

Area A
is
a section of Arizona in Maricopa and parts of Pinal County with restrictions in
place to reduce air pollution.

Area C
is
the portion of Pinal county lying west of range 11 east, excluding that portion
of the county lying within Area A and the portion of the county within the
jurisdiction of any federally recognized Indian tribe, notwithstanding the
issuance of a patent and including rights-of-way running through the
reservation (
A.R.S. � 3-3401
).

A retail seller or fleet owner must not store, sell, expose
or offer for sale any motor fuel, kerosene, oil or other liquid or gaseous fuel
or lubricating oil, lubricant, mixtures of lubricants or other similar products
if the product fails to meet specified standards and in the rules adopted by
the Associate Director of the Weights and Measures Division (Division) (
A.R.S. � 3-3433
).

Provisions

1.

Instructs
the ADEQ to biennially review available and potentially available fuel
formulations for use under federal air quality standards. (Sec. 1)

2.

Specifies the
review must assess the impacts of switching to various fuel formulations that
are not authorized for use in Area A or C at the time of assessment. (Sec. 1)

3.

Directs ADEQ
to note anticipated air quality impact of assessed fuel formulations in Area A
and C. (Sec. 1)

4.

Mandates
ADEQ submit a copy of the report with recommendations to the Associate Director
of the Division, the Governor, the President of the Senate and the Speaker of
the House of Representatives and provide a copy to the Secretary of State. (Sec.
1)

5.

6.

7.

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FOOTER ---------

8.

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2401

9.

2/4/2026��� Page 0 Caucus
& COW

10.

11.

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FOOTER ---------

Current Bill Text

Read the full stored bill text
HB2401 - 572R - H Ver

House Engrossed

fuel formulations;
biennial review

State of Arizona

House of Representatives

Fifty-seventh Legislature

Second Regular Session

2026

HOUSE BILL 2401

AN
ACT

Amending title 49, chapter 3, article 5, Arizona
Revised Statutes, by adding section 49-559; RELATING to air QUALITY.

(TEXT OF BILL BEGINS ON NEXT PAGE)

Be it
enacted by the Legislature of the State of Arizona:

Section 1. Title 49, chapter 3, article 5,
Arizona Revised Statutes, is amended by adding section 49-559, to read:

START_STATUTE
49-559.

Fuel formulations; biennial review; report; definitions

A. Every two years the department
shall review the fuel formulations that are available or may be available for
use in this state pursuant to federal air quality standards.

B. The biennial fuel formulation
review shall assess the impacts of switching to various fuel formulations that
are not authorized for use in area a or area c at the time of assessment. The
department shall note the anticipated air quality impact of each assessed fuel
formulation in area a and area c.

C. On or before December 31 of each
review year, the department shall submit a copy of the report and the
department's recommendations to the associate director of the weights and
measures services division of the Arizona department of agriculture, the
governor, the president of the senate and the speaker of the house of
representatives and provide a copy of this report to the secretary of state.

D. For the purposes of this section:

1. "Area A" has the same
meaning prescribed in section 49-541.

2. "Area C" has the same
meaning prescribed in section 3-3401.
END_STATUTE