---
type: "Bill"
title: "Relating to the Texas natural gas vehicle grant program."
description: "Relating to the Texas natural gas vehicle grant program."
jurisdiction: "us/states/tx"
legislature: "Texas Legislature"
session: "87"
identifier: "HB 963"
citation: "Texas HB 963 (87)"
classification: ["bill"]
subjects: ["Environment--Air (I0325)", "Vehicles & Traffic--General (I0865)"]
status: "enacted"
primary_sponsors: ["Dominguez", "Guillen", "Landgraf", "Lozano", "Zaffirini"]
version_count: 5
action_count: 50
vote_count: 0
first_action: "2021-01-05"
last_action: "2021-06-09"
source: "openstates"
source_identifier: "ocd-bill/a7437c9a-81e4-406e-8fba-40a103a855b9"
source_url: "ftp://ftp.legis.state.tx.us/bills/87R/billhistory/house_bills/HB00900_HB00999/HB 963.xml"
source_hash: "e2b394aedadac769df868cd75b1baa91f566fb676b456710062d0b79d1261c3e"
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-tx"]
---

# Texas HB 963 (87) — Relating to the Texas natural gas vehicle grant program.

## Version chain

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

1. **Introduced** (filed) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00963I.HTM)
2. **Engrossed** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00963E.HTM)
3. **House Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00963H.HTM)
4. **Senate Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00963S.HTM)
5. **Enrolled** (enrolled) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00963F.HTM)

## Sponsors

- Dominguez — primary (person)
- Guillen — primary (person)
- Landgraf — primary (person)
- Lozano — primary (person)
- Zaffirini — primary (person)

## Timeline

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

- **2021-01-05** Filed `filing`
- **2021-03-01** Read first time `introduction, reading-1`
- **2021-03-01** Referred to Environmental Regulation `referral-committee`
- **2021-03-15** Considered in public hearing
- **2021-03-15** Testimony taken/registration(s) recorded in committee
- **2021-03-15** Left pending in committee
- **2021-03-22** Considered in public hearing
- **2021-03-22** Recommended to be sent to Local & Consent `referral-committee`
- **2021-03-22** Reported favorably w/o amendment(s) `committee-passage`
- **2021-03-30** Comte report filed with Committee Coordinator
- **2021-03-30** Committee report distributed
- **2021-03-31** Comm. report sent to Local & Consent Calendar
- **2021-04-06** Considered in Local & Consent Calendars
- **2021-04-09** Placed on Local, Consent, and Res. Calendar
- **2021-04-09** Read 2nd time `reading-2`
- **2021-04-09** Amended `amendment-passage`
- **2021-04-09** Passed to engrossment as amended
- **2021-04-09** Nonrecord vote recorded in Journal
- **2021-04-09** Read 3rd time `reading-3`
- **2021-04-09** Passed `passage`
- **2021-04-09** Record vote
- **2021-04-09** Nonrecord vote recorded in Journal
- **2021-04-09** Reported engrossed
- **2021-04-12** Received from the House `introduction`
- **2021-05-06** Read first time `introduction, reading-1`
- **2021-05-06** Referred to Natural Resources & Economic Development `referral-committee`
- **2021-05-13** Scheduled for public hearing on . . .
- **2021-05-13** Considered in public hearing
- **2021-05-13** Testimony taken in committee
- **2021-05-13** Left pending in committee
- **2021-05-18** Considered in public hearing
- **2021-05-19** Reported favorably w/o amendments `committee-passage-favorable`
- **2021-05-19** Recommended for local & uncontested calendar
- **2021-05-19** Committee report printed and distributed
- **2021-05-21** Placed on intent calendar
- **2021-05-21** Rules suspended-Regular order of business
- **2021-05-21** Read 2nd time & passed to 3rd reading
- **2021-05-21** Vote recorded in Journal
- **2021-05-21** Three day rule suspended
- **2021-05-21** Record vote
- **2021-05-21** Read 3rd time `reading-3`
- **2021-05-21** Passed `passage`
- **2021-05-21** Record vote
- **2021-05-23** Senate passage reported
- **2021-05-23** Reported enrolled
- **2021-05-24** Signed in the House
- **2021-05-25** Signed in the Senate
- **2021-05-25** Sent to the Governor `executive-receipt`
- **2021-06-09** Signed by the Governor `executive-signature`
- **2021-06-09** Effective on 9/1/21 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a7437c9a-81e4-406e-8fba-40a103a855b9`. Confidence: reported (aggregated from official Texas legislature records).