# Montana HB 703: Exempt GHG emissions analysis for appliances, vehicles, engines

Montana HB 703, Exempt GHG emissions analysis for appliances, vehicles, engines, is a 69th Legislature, Regular Session (2025) House bill sponsored by Curtis Schomer (Republican); status signed, last action 2025-05-13 (Chapter Number Assigned) (as of 2026-10-12).

- Canonical: https://policyrisk.com/state-bill/MT-HB703-2025
- As of: 2026-10-12
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Montana HB 703
- State: Montana
- Session: 69th Legislature, Regular Session (2025)
- Title: Exempt GHG emissions analysis for appliances, vehicles, engines
- Status: signed
- Chamber: House
- Introduced: 2025-02-24
- Last action: 2025-05-13, Chapter Number Assigned
- Sponsor: Curtis Schomer (Republican)
- Cosponsors: 1
- Subjects: Environmental Protection, Buildings and Building Regulations, Rule Making
- Touches household money: no
- Roll calls: 6 (346 yes, 146 no in all)
- Economic provisions PRIA read: 1

## Summary

No summary available.

## Bill overview: provisions PRIA read

- State limits some greenhouse gas reviews: mixed, low. The law limits when agencies must analyze greenhouse gases under the state environmental review law. State and local building departments do not analyze greenhouse gases from federally defined “covered products or appliances” when they adopt or enforce building codes. The state environmental depart…

## Sponsors and cosponsors

- Sponsor: Curtis Schomer (Republican), House
- Cosponsor: Steve Fitzpatrick (Republican), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-18 | House | Do Concur | pass | 61 | 37 |   |
| 2025-04-17 | House | Do Concur | pass | 98 | 2 |   |
| 2025-04-11 | Senate | Do Concur | pass | 36 | 12 |   |
| 2025-04-10 | Senate | Do Concur | pass | 36 | 12 |   |
| 2025-03-07 | House | Do Pass | pass | 58 | 41 |   |
| 2025-03-06 | House | Do Pass | pass | 57 | 42 |   |

## Actions (26)

- 2025-05-13: Chapter Number Assigned (House)
- 2025-05-08: Signed by Governor (House)
- 2025-05-02: Transmitted to Governor (House)
- 2025-05-02: Signed by President (Senate)
- 2025-04-29: Signed by Speaker (House)
- 2025-04-20: Returned from Enrolling (House)
- 2025-04-18: Sent to Enrolling (House)
- 2025-04-18: 3rd Reading Senate Amendments (House)
- 2025-04-17: 2nd Reading Senate Amendments (House)
- 2025-04-11: Returned to House with Amendments (Senate)
- 2025-04-11: 3rd Reading (Senate)
- 2025-04-10: 2nd Reading (Senate)
- 2025-04-08: Committee Report (Senate)
- 2025-04-07: Committee Executive Action (Senate)
- 2025-04-02: Hearing (Senate)
- 2025-03-17: Referred to Committee (Senate)
- 2025-03-14: 1st Reading (Senate)
- 2025-03-07: Transmitted to Senate (House)
- 2025-03-07: 3rd Reading (House)
- 2025-03-06: 2nd Reading (House)
- 2025-03-03: Committee Report (House)
- 2025-03-03: Committee Executive Action (House)
- 2025-02-27: Hearing (House)
- 2025-02-25: 1st Reading (House)
- 2025-02-25: Referred to Committee (House)
- 2025-02-24: Introduced (House)

## Bill text

- Enrolled, 2025-04-18: [PDF](https://docs.legmt.gov/download-ticket?ticketId=c1129f14-e2fd-4c76-bcdd-6606ed362729)
- As Amended (Version 2), 2025-04-08: [PDF](https://docs.legmt.gov/download-ticket?ticketId=452e2296-0b4d-4bb4-8fd6-a281e848601b)
- Introduced, 2025-02-24: [PDF](https://docs.legmt.gov/download-ticket?ticketId=a58f1e62-075d-43ed-bca4-72aff5807f38)

## Related bills

- SB 437: Revise definition of sex in Montana law (signed)
- HB 831: Increase elderly homeowner and renter income tax credit (vetoed)
- HB 628: Revise early literacy targeted intervention laws (vetoed)
- SB 410: Provide for Montana genomic security act (vetoed)
- SB 424: Revising the disabled veteran property tax assistance program (vetoed)
- SB 422: Generally revise laws relating to insurance coverage relating to cancer (vetoed)

## Sources
- [Enrolled (PDF)](https://docs.legmt.gov/download-ticket?ticketId=c1129f14-e2fd-4c76-bcdd-6606ed362729)
- [As Amended (Version 2) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=452e2296-0b4d-4bb4-8fd6-a281e848601b)
- [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=a58f1e62-075d-43ed-bca4-72aff5807f38)

## Related
- [SB 437: Revise definition of sex in Montana law](https://policyrisk.com/state-bill/MT-SB437-2025)
- [HB 831: Increase elderly homeowner and renter income tax credit](https://policyrisk.com/state-bill/MT-HB831-2025)
- [HB 628: Revise early literacy targeted intervention laws](https://policyrisk.com/state-bill/MT-HB628-2025)
- [SB 410: Provide for Montana genomic security act](https://policyrisk.com/state-bill/MT-SB410-2025)
- [SB 424: Revising the disabled veteran property tax assistance program](https://policyrisk.com/state-bill/MT-SB424-2025)
- [SB 422: Generally revise laws relating to insurance coverage relating to cancer](https://policyrisk.com/state-bill/MT-SB422-2025)
- [Montana bills](https://policyrisk.com/states/montana/bills)
- [Montana state hub](https://policyrisk.com/states/montana)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/MT-HB703-2025 (as of 2026-10-12).