---
type: "Bill"
title: "Modified Car Emissions Requirements"
description: "Modified Car Emissions Requirements"
jurisdiction: "us/states/ut"
legislature: "Utah Legislature"
session: "2023"
identifier: "SB 264"
citation: "Utah SB 264 (2023)"
classification: ["bill"]
subjects: ["Division of Motor Vehicles", "Emissions Control", "Motor Vehicles", "Transportation", "Vehicle Registration"]
status: "enacted"
primary_sponsors: ["Johnson, John D."]
version_count: 2
action_count: 31
vote_count: 3
first_action: "2023-02-20"
last_action: "2023-03-23"
source: "openstates"
source_identifier: "ocd-bill/7ac76e4d-93af-4957-804e-5e042a55c10f"
source_url: "https://le.utah.gov/~2023/bills/static/SB0264.html"
source_hash: "0aea3b6f3fb5a8d22f57453bd6d09c5b7da9b3a6ec4e3a2b8df9bfd3208dd8de"
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-ut"]
---

# Utah SB 264 (2023) — Modified Car Emissions Requirements

## Version chain

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

1. **Introduced** (filed) — [source](https://le.utah.gov/~2023/bills/sbillint/SB0264.pdf)
2. **Enrolled** (enrolled) — [source](https://le.utah.gov/~2023/bills/sbillenr/SB0264.pdf)

## Votes

- passed 2nd & 3rd readings/suspension — **25–0** (pass) · upper
- Senate Comm - Favorable Recommendation — **3–0** (pass) · upper
- passed 3rd reading — **69–0** (pass) · lower

## Sponsors

- Johnson, John D. — primary (person)
- Wilcox, Ryan D. — cosponsor (person)

## Timeline

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

- **2023-02-20** Bill Numbered but not Distributed
- **2023-02-20** Numbered Bill Publicly Distributed
- **2023-02-20** bill sent to agencies for fiscal input
- **2023-02-21** received bill from Legislative Research `receipt`
- **2023-02-21** 1st reading (Introduced) `introduction, reading-1`
- **2023-02-21** to Senate Transportation, Public Utilities, Energy, and Technology Committee
- **2023-02-23** fiscal note sent to sponsor
- **2023-02-23** Senate Comm - Favorable Recommendation `committee-passage-favorable`
- **2023-02-23** committee report favorable `committee-passage-favorable`
- **2023-02-23** placed on 2nd Reading Calendar
- **2023-02-27** fiscal note publicly available
- **2023-02-27** 2nd & 3rd readings/suspension `reading-2, reading-3`
- **2023-02-27** passed 2nd & 3rd readings/suspension `passage`
- **2023-02-27** to House
- **2023-02-28** received from Senate `receipt`
- **2023-02-28** 1st reading (Introduced) `introduction, reading-1`
- **2023-03-01** Rules to 3rd Reading Calendar
- **2023-03-01** 2nd reading `reading-2`
- **2023-03-01** 3rd reading `reading-3`
- **2023-03-01** passed 3rd reading `passage`
- **2023-03-01** signed by Speaker/returned to Senate `passage`
- **2023-03-01** to Senate
- **2023-03-01** received from House `receipt`
- **2023-03-01** signed by President/sent for enrolling `passage`
- **2023-03-02** Bill Received from Senate for Enrolling
- **2023-03-02** Draft of Enrolled Bill Prepared
- **2023-03-09** Enrolled Bill Returned to House or Senate `enrolled`
- **2023-03-09** enrolled bill to Printing
- **2023-03-13** received enrolled bill from Printing `receipt`
- **2023-03-13** to Governor `executive-receipt`
- **2023-03-23** Governor Signed `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7ac76e4d-93af-4957-804e-5e042a55c10f`. Confidence: reported (aggregated from official Utah legislature records).