---
type: "Bill"
title: "Emergency Engine Exemption Emission Regulation"
description: "The act authorizes the use of an emergency stationary engine if:"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2022A"
identifier: "HB 22-1372"
citation: "Colorado HB 22-1372 (2022A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Bob Gardner", "Rhonda Fields", "Terri Carver"]
version_count: 9
action_count: 12
vote_count: 2
first_action: "2022-04-13T06:00:00+00:00"
last_action: "2022-06-02T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/d94f0884-63b0-48b2-81b4-40efaba9aadc"
source_url: "https://leg.colorado.gov/bills/hb22-1372"
source_hash: "4cd75cf6efd8eb3b4668ae7742a445d3237fd2598019d5d599b51007b88df35f"
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 22-1372 (2022A) — Emergency Engine Exemption Emission Regulation

The act authorizes the use of an emergency stationary engine if:

## 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/2022a_hb1372_s_tra_001.pdf)
2. **Engrossed (04/28/2022)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2022A/bills/2022a_1372_eng.pdf)
3. **Final Act (05/31/2022)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2022A/bills/2022a_1372_enr.pdf)
4. **Introduced (04/13/2022)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2022A/bills/2022a_1372_01.pdf)
5. **PA1 (04/28/2022)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2022A/bills/2022a_1372_h_sa_01.pdf)
6. **Reengrossed (04/29/2022)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2022A/bills/2022a_1372_ren.pdf)
7. **Rerevised (05/05/2022)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2022A/bills/2022a_1372_rer.pdf)
8. **Revised (05/04/2022)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2022A/bills/2022a_1372_rev.pdf)
9. **Signed Act (06/02/2022)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2022a_1372_signed.pdf)

## Votes

- BILL — **61–1** (pass) · lower
- BILL — **35–0** (pass) · upper

## Sponsors

- Bob Gardner — primary (person)
- Rhonda Fields — primary (person)
- Terri Carver — primary (person)

## Timeline

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

- **2022-06-02T06:00:00+00:00** Governor Signed `executive-signature`
- **2022-05-31T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2022-05-31T06:00:00+00:00** Signed by the President of the Senate
- **2022-05-27T06:00:00+00:00** Signed by the Speaker of the House
- **2022-05-05T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2022-05-04T06:00:00+00:00** Senate Second Reading Special Order - Passed - No Amendments
- **2022-05-03T06:00:00+00:00** Senate Committee on Transportation & Energy Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2022-04-29T06:00:00+00:00** Introduced In Senate - Assigned to Transportation & Energy `introduction`
- **2022-04-29T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2022-04-28T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee
- **2022-04-27T06:00:00+00:00** House Committee on State, Civic, Military, & Veterans Affairs Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2022-04-13T06:00:00+00:00** Introduced In House - Assigned to State, Civic, Military, & Veterans Affairs `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d94f0884-63b0-48b2-81b4-40efaba9aadc`. Confidence: reported (aggregated from official Colorado legislature records).