---
type: "Bill"
title: "Concerning the tax treatment of renewable natural gas."
description: "Concerning the tax treatment of renewable natural gas."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2019-2020"
identifier: "HB 1070"
citation: "Washington HB 1070 (2019-2020)"
classification: ["bill"]
subjects: ["OIL AND GAS", "TAXES - BUSINESS AND OCCUPATION", "TAX PREFERENCES - EXEMPTIONS", "CREDITS", "DEDUCTIONS", "DEFERRALS", "ETC."]
status: "enacted"
primary_sponsors: ["Mosbrucker"]
version_count: 1
action_count: 33
vote_count: 2
first_action: "2018-12-31"
last_action: "2019-04-30"
source: "openstates"
source_identifier: "ocd-bill/9bd6b0c2-e17a-45ea-b9d2-0060ff5ff4b9"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=1070&year=2019"
source_hash: "b3188080313460fad501b9a7f52dfde7d93e21dfd96c960cb1d348712dfdaa6a"
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 1070 (2019-2020) — Concerning the tax treatment of 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/2019-20/Htm/Bills/House%20Bills/1070.htm)

## Votes

- 3rd Reading & Final Passage (#27) — **47–1** (pass) · upper
- Final Passage (#31) — **95–0** (pass) · lower

## Sponsors

- Mosbrucker — primary (person)
- Doglio — cosponsor (person)
- Fitzgibbon — cosponsor (person)
- Tharinger — cosponsor (person)

## Timeline

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

- **2018-12-31** Prefiled for introduction. `filing`
- **2019-01-14** First reading, referred to Environment & Energy. `reading-1`
- **2019-01-24** ENVI - Majority; do pass.
- **2019-01-28** Referred to Finance.
- **2019-02-21** FIN - Majority; do pass.
- **2019-02-22** Referred to Rules 2 Review.
- **2019-03-05** Rules Committee relieved of further consideration. Placed on second reading.
- **2019-03-08** Rules suspended. Placed on Third Reading.
- **2019-03-08** Third reading, passed; yeas, 95; nays, 0; absent, 0; excused, 3. `reading-3`
- **2019-03-11** First reading, referred to Environment, Energy & Technology. `reading-1`
- **2019-03-21** ENET - Majority; do pass.
- **2019-03-21** And refer to Ways & Means. `referral-committee`
- **2019-03-22** Referred to Ways & Means.
- **2019-04-05** WM - Majority; do pass.
- **2019-04-05** Minority; do not pass.
- **2019-04-08** Passed to Rules Committee for second reading.
- **2019-04-13** Placed on second reading by Rules Committee.
- **2019-04-15** Rules suspended. Placed on Third Reading.
- **2019-04-15** Third reading, passed; yeas, 47; nays, 1; absent, 0; excused, 1. `reading-3`
- **2019-04-18** Speaker signed. `passage`
- **2019-04-25** President signed. `passage`
- **2019-04-26** Delivered to Governor.
- **2019-04-30** Governor signed. `executive-signature`
- **2019-04-30** Chapter 202, 2019 Laws. `became-law`
- **2019-04-30** Effective date 7/28/2019. `became-law`
- **2019-01-14T18:30:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 01:30 PM
- **2019-01-24T13:00:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 08:00 AM
- **2019-02-14T18:30:00+00:00** Scheduled for public hearing in the House Committee on Finance at 01:30 PM
- **2019-02-21T18:30:00+00:00** Scheduled for public hearing in the House Committee on Finance at 01:30 PM
- **2019-03-20T12:00:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 08:00 AM
- **2019-03-21T14:00:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 10:00 AM
- **2019-04-03T17:30:00+00:00** Scheduled for public hearing in the Senate Committee on Ways & Means at 01:30 PM
- **2019-04-05T13:00:00+00:00** Scheduled for public hearing in the Senate Committee on Ways & Means at 09:00 AM

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9bd6b0c2-e17a-45ea-b9d2-0060ff5ff4b9`. Confidence: reported (aggregated from official Washington legislature records).