---
type: "Bill"
title: "Promoting renewable natural gas."
description: "Promoting renewable natural gas."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2017-2018"
identifier: "HB 2580"
citation: "Washington HB 2580 (2017-2018)"
classification: ["bill"]
subjects: ["TAX PREFERENCES - EXEMPTIONS", "CREDITS", "DEDUCTIONS", "DEFERRALS", "ETC.", "COLLEGES AND UNIVERSITIES", "FUELS", "OIL AND GAS", "SOLID WASTE", "COMMERCE", "DEPARTMENT"]
status: "enacted"
primary_sponsors: ["Morris"]
version_count: 3
action_count: 37
vote_count: 3
first_action: "2018-01-10"
last_action: "2018-03-22"
source: "openstates"
source_identifier: "ocd-bill/865733d6-2515-4ec1-8c40-e37bab2555cc"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=2580&year=2017"
source_hash: "99c8aeae9a0781ba3f002a14576db8f588407d222db30b2a52230eb68c51ee1c"
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-wa"]
---

# Washington HB 2580 (2017-2018) — Promoting renewable natural gas.

## Version chain

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

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2017-18/Htm/Bills/House%20Bills/2580.htm)
2. **Engrossed Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2017-18/Htm/Bills/House%20Bills/2580-S.E.htm)
3. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2017-18/Htm/Bills/House%20Bills/2580-S.htm)

## Votes

- Final Passage as Amended by the Senate (#15) — **47–1** (pass) · upper
- Final Passage as Amended by the Senate (#5) — **98–0** (pass) · lower
- Final Passage (#17) — **98–0** (pass) · lower

## Sponsors

- Morris — primary (person)
- Doglio — cosponsor (person)
- Fey — cosponsor (person)
- Lytton — cosponsor (person)

## Timeline

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

- **2018-01-10** First reading, referred to Technology & Economic Development (Not Officially read and referred until adoption of Introduction report). `reading-1`
- **2018-01-30** TED - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2018-01-30** Minority; without recommendation.
- **2018-02-01** Referred to Finance.
- **2018-02-05** FIN - Majority; do pass 1st substitute bill proposed by Technology & Economic Development.
- **2018-02-05** Minority; do not pass.
- **2018-02-05** Minority; without recommendation.
- **2018-02-06** Referred to Rules 2 Review.
- **2018-03-06** Placed on second reading by Rules Committee.
- **2018-03-06** 1st substitute bill substituted. `substitution`
- **2018-01-30** TED - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2018-01-30** Minority; without recommendation.
- **2018-02-01** Referred to Finance.
- **2018-02-05** FIN - Majority; do pass 1st substitute bill proposed by Technology & Economic Development.
- **2018-02-05** Minority; do not pass.
- **2018-02-05** Minority; without recommendation.
- **2018-02-06** Referred to Rules 2 Review.
- **2018-03-06** Placed on second reading by Rules Committee.
- **2018-03-06** 1st substitute bill substituted. `substitution`
- **2018-03-06** Floor amendment(s) adopted.
- **2018-03-06** Rules suspended. Placed on Third Reading.
- **2018-03-06** Third reading, passed; yeas, 98; nays, 0; absent, 0; excused, 0. `reading-3`
- **2018-03-07** First reading, referred to Ways & Means. `reading-1`
- **2018-03-07** WM - Majority; do pass.
- **2018-03-07** Passed to Rules Committee for second reading.
- **2018-03-07** Placed on second reading by Rules Committee.
- **2018-03-07** Floor amendment(s) adopted.
- **2018-03-07** Rules suspended. Placed on Third Reading.
- **2018-03-07** Third reading, passed; yeas, 47; nays, 1; absent, 0; excused, 1. `reading-3`
- **2018-03-08** House concurred in Senate amendments.
- **2018-03-08** Passed final passage; yeas, 98; nays, 0; absent, 0; excused, 0. `passage`
- **2018-03-08** Speaker signed. `passage`
- **2018-03-08** President signed. `passage`
- **2018-03-08** Delivered to Governor.
- **2018-03-22** Governor signed. `executive-signature`
- **2018-03-22** Chapter 164, 2018 Laws. `became-law`
- **2018-03-22** Effective date 7/1/2018. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/865733d6-2515-4ec1-8c40-e37bab2555cc`. Confidence: reported (aggregated from official Washington legislature records).