republic-os/legislation/us/states/hi/2023-regular-session/sb-1173.md

---
type: "Bill"
title: "RELATING TO VEHICLES."
description: "Prohibits a person from causing a diesel- or gas-powered vehicle to discharge clearly visible smoke, soot, or other exhaust emissions onto another person or motor vehicle. Establishes a minimum $500 fine for violators. (HD2)"
jurisdiction: "us/states/hi"
legislature: "Hawaii Legislature"
session: "2023 Regular Session"
identifier: "SB 1173"
citation: "Hawaii SB 1173 (2023 Regular Session)"
classification: ["bill"]
subjects: ["Exhaust Emissions", "Penalty", "Vehicles"]
status: "enacted"
primary_sponsors: ["CHANG", "LEE", "MCKELVEY", "MORIWAKI", "RHOADS"]
version_count: 4
action_count: 35
vote_count: 4
first_action: "2023-01-20"
last_action: "2023-07-05"
source: "openstates"
source_identifier: "ocd-bill/ee1c1496-477a-4cbf-90e7-cf750f9e894a"
source_url: "https://capitol.hawaii.gov/session/measure_indiv.aspx?billtype=SB&billnumber=1173&year=2023"
source_hash: "224c02f7cccb709ae648c829f72a8b4073045c448dc18ddf1c2ee168c4cb4e02"
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-hi"]
---

# Hawaii SB 1173 (2023 Regular Session) — RELATING TO VEHICLES.

Prohibits a person from causing a diesel- or gas-powered vehicle to discharge clearly visible smoke, soot, or other exhaust emissions onto another person or motor vehicle. Establishes a minimum $500 fine for violators. (HD2)

## Version chain

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

1. **SB1173** (committee substitute) — [source](https://capitol.hawaii.gov/sessions/session2023/bills/SB1173_.HTM)
2. **SB1173_HD1** (committee substitute) — [source](https://capitol.hawaii.gov/sessions/session2023/bills/SB1173_HD1_.HTM)
3. **SB1173_HD2** (committee substitute) — [source](https://capitol.hawaii.gov/sessions/session2023/bills/SB1173_HD2_.HTM)
4. **SB1173_SD1** (committee substitute) — [source](https://capitol.hawaii.gov/sessions/session2023/bills/SB1173_SD1_.HTM)

## Votes

- Reconsider: The committee on JHA recommend that the measure be PASSED, WITH AMENDMENTS. — **8–0** (pass) · lower
- Reconsider: The committee(s) on JDC recommend(s) that the measure be PASSED, WITH AMENDMENTS. — **4–0** (pass) · upper
- The committee(s) on TCA recommend(s) that the measure be PASSED, UNAMENDED. — **5–0** (pass) · upper
- The committee on TRN recommend that the measure be PASSED, WITH AMENDMENTS. — **9–0** (pass) · lower

## Sponsors

- CHANG — primary (person)
- LEE — primary (person)
- MCKELVEY — primary (person)
- MORIWAKI — primary (person)
- RHOADS — primary (person)
- Elefante — cosponsor (person)
- San Buenaventura — cosponsor (person)
- Wakai — cosponsor (person)

## Timeline

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

- **2023-07-05** Act 223, 07/05/2023 (Gov. Msg. No. 1326). `became-law`
- **2023-07-05** Act 223, on 07/05/2023 (Gov. Msg. No. 1326). `became-law`
- **2023-04-18** Enrolled to Governor. `executive-receipt`
- **2023-04-18** Received notice of reconsideration, Senate agreement, and Final Reading (Sen. Com. No. 902). `receipt`
- **2023-04-18** Passed Final Reading. Ayes, 23; Aye(s) with reservations: none . 1 No(es): Senator(s) Awa. 1 Excused: Senator(s) Ihara. `passage`
- **2023-04-17** One Day Notice 04-18-23.
- **2023-04-17** Senate agrees with House amendments. Placed on the calendar for Final Reading on 04-18-23.
- **2023-04-17** Reconsideration of action taken on 04-04-23 in disagreeing to the House amendments.
- **2023-04-04** Received notice of disagreement (Sen. Com. No. 557). `receipt`
- **2023-04-04** Senate disagrees with House amendments. `amendment-failure`
- **2023-04-04** Received from House (Hse. Com. No. 564). `introduction, receipt`
- **2023-04-03** Passed Third Reading as amended in HD 2 with none voting aye with reservations; none voting no (0) and Representative(s) Nishimoto excused (1). Transmitted to Senate. `passage`
- **2023-03-30** Forty-eight (48) hours notice Monday, 04-03-23.
- **2023-03-30** Reported from JHA (Stand. Com. Rep. No. 1791) as amended in HD 2, recommending passage on Third Reading.
- **2023-03-24** The committee on JHA recommend that the measure be PASSED, WITH AMENDMENTS. The votes were as follows: 8 Ayes: Representative(s) Tarnas, Takayama, Ganaden, Holt, Hashimoto, Ichiyama, Mizuno, Souza; Ayes with reservations: none; Noes: none; and 2 Excused: Representative(s) Ilagan, Kong. `committee-passage-favorable`
- **2023-03-22** Bill scheduled to be heard by JHA on Friday, 03-24-23 2:00PM in House conference room 325 VIA VIDEOCONFERENCE.
- **2023-03-21** Passed Second Reading as amended in HD 1 and referred to the committee(s) on JHA with Representative(s) Cochran, Garcia voting aye with reservations; none voting no (0) and Representative(s) Quinlan excused (1). `reading-2, referral-committee`
- **2023-03-21** Reported from TRN (Stand. Com. Rep. No. 1348) as amended in HD 1, recommending passage on Second Reading and referral to JHA.
- **2023-03-16** The committee on TRN recommend that the measure be PASSED, WITH AMENDMENTS. The votes were as follows: 9 Ayes: Representative(s) Todd, Kila, Aiu, Evslin, Hashimoto, Kitagawa, Marten, Onishi, Matsumoto; Ayes with reservations: none; Noes: none; and Excused: none. `committee-passage-favorable`
- **2023-03-13** Bill scheduled to be heard by TRN on Thursday, 03-16-23 10:00AM in House conference room 312 VIA VIDEOCONFERENCE.
- **2023-03-09** Referred to TRN, JHA, referral sheet 17 `referral-committee`
- **2023-03-09** Pass First Reading `reading-1`
- **2023-03-07** Received from Senate (Sen. Com. No. 378) in amended form (SD 1). `introduction, receipt`
- **2023-03-07** Report Adopted; Passed Third Reading, as amended (SD 1). Ayes, 22; Aye(s) with reservations: Senator(s) Keohokalole, McKelvey, San Buenaventura. Noes, 2 (Senator(s) Awa, Richards). Excused, 1 (Senator(s) Fukunaga). Transmitted to House. `passage`
- **2023-03-03** 48 Hrs. Notice 03-07-23.
- **2023-03-03** Reported from JDC (Stand. Com. Rep. No. 859) with recommendation of passage on Third Reading, as amended (SD 1).
- **2023-03-01** The committee(s) on JDC recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in JDC were as follows: 4 Aye(s): Senator(s) Rhoads, Gabbard, Elefante, San Buenaventura; Aye(s) with reservations: none ; 0 No(es): none; and 1 Excused: Senator(s) Awa. `committee-passage-favorable`
- **2023-02-24** The committee(s) on JDC will hold a public decision making on 03-01-23 9:30AM; Conference Room 016 & Videoconference.
- **2023-02-14** Report adopted; Passed Second Reading and referred to JDC. `reading-2, referral-committee`
- **2023-02-14** Reported from TCA (Stand. Com. Rep. No. 243) with recommendation of passage on Second Reading and referral to JDC.
- **2023-02-02** The committee(s) on TCA recommend(s) that the measure be PASSED, UNAMENDED. The votes in TCA were as follows: 5 Aye(s): Senator(s) Lee, Inouye, Elefante, Keohokalole, Awa; Aye(s) with reservations: none ; 0 No(es): none; and 0 Excused: none. `committee-passage-favorable`
- **2023-01-30** The committee(s) on TCA has scheduled a public hearing on 02-02-23 3:00PM; Conference Room 224 & Videoconference.
- **2023-01-27** Referred to TCA, JDC. `referral-committee`
- **2023-01-23** Passed First Reading. `reading-1`
- **2023-01-20** Introduced. `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ee1c1496-477a-4cbf-90e7-cf750f9e894a`. Confidence: reported (aggregated from official Hawaii legislature records).