---
type: "Bill"
title: "State Vehicle Idling Standard"
description: "Current law imposes a uniform state idling standard on an owner or operator of a covered vehicle that prohibits the vehicle from idling for more than 5 minutes within any 60-minute period, except in certain situations. Current law also prohibits a local government from enacting a resolution or ordinance concerning the idling of a covered vehicle that is more stringent than the state idling standard."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2024A"
identifier: "HB 24-1341"
citation: "Colorado HB 24-1341 (2024A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Jenny Willford", "Julia Marvin", "Lisa Cutter"]
version_count: 9
action_count: 13
vote_count: 2
first_action: "2024-02-26T07:00:00+00:00"
last_action: "2024-04-29T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/569f63f6-c25e-47ac-90ef-87d7c94d5111"
source_url: "https://leg.colorado.gov/bills/hb24-1341"
source_hash: "0e1224bf7a091342965797a59ce2c8247d0f2a405463af0f654624b873b0b973"
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-co"]
---

# Colorado HB 24-1341 (2024A) — State Vehicle Idling Standard

Current law imposes a uniform state idling standard on an owner or operator of a covered vehicle that prohibits the vehicle from idling for more than 5 minutes within any 60-minute period, except in certain situations. Current law also prohibits a local government from enacting a resolution or ordinance concerning the idling of a covered vehicle that is more stringent than the state idling standard.

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2024a_hb1341_s_tra_001.pdf)
2. **Engrossed (03/22/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1341_en2.pdf)
3. **Final Act (04/19/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1341_enr.pdf)
4. **Introduced (02/26/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1341_01.pdf)
5. **PA1 (03/21/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1341_h_ene_01.pdf)
6. **Reengrossed (03/25/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1341_ren.pdf)
7. **Rerevised (04/09/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1341_rer.pdf)
8. **Revised (04/08/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1341_rev.pdf)
9. **Signed Act (04/29/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2024a_1341_signed.pdf)

## Votes

- BILL — **45–18** (pass) · lower
- BILL — **22–12** (pass) · upper

## Sponsors

- Jenny Willford — primary (person)
- Julia Marvin — primary (person)
- Lisa Cutter — primary (person)

## Timeline

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

- **2024-04-29T06:00:00+00:00** Governor Signed `executive-signature`
- **2024-04-19T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2024-04-19T06:00:00+00:00** Signed by the President of the Senate
- **2024-04-18T06:00:00+00:00** Signed by the Speaker of the House
- **2024-04-09T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2024-04-08T06:00:00+00:00** Senate Second Reading Passed - No Amendments `reading-2`
- **2024-04-04T06:00:00+00:00** Senate Second Reading Laid Over to 04/08/2024 - No Amendments
- **2024-04-01T06:00:00+00:00** Senate Committee on Transportation & Energy Refer Unamended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2024-03-26T06:00:00+00:00** Introduced In Senate - Assigned to Transportation & Energy `introduction`
- **2024-03-25T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2024-03-22T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee, Floor
- **2024-03-20T06:00:00+00:00** House Committee on Energy & Environment Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2024-02-26T07:00:00+00:00** Introduced In House - Assigned to Energy & Environment `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/569f63f6-c25e-47ac-90ef-87d7c94d5111`. Confidence: reported (aggregated from official Colorado legislature records).