# Hawaii HB 2423: RELATING TO BIODIESEL.

Hawaii HB 2423, RELATING TO BIODIESEL., is a 2025–2026 Regular Session (Year 2) House bill sponsored by Matthias Kusch (Democratic); status failed, last action 2026-05-01 (Conference Committee Meeting will reconvene on Friday, 05-01-26 at 12:30PM in Conference Room 329.) (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/HI-HB2423-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Hawaii HB 2423
- State: Hawaii
- Session: 2025–2026 Regular Session (Year 2)
- Title: RELATING TO BIODIESEL.
- Status: failed
- Chamber: House
- Introduced: 2026-01-27
- Last action: 2026-05-01, Conference Committee Meeting will reconvene on Friday, 05-01-26 at 12:30PM in Conference Room 329.
- Sponsor: Matthias Kusch (Democratic)
- Cosponsors: 11
- Subjects: DBEDT, DOT, Biodiesel, Minimum Fuel Requirement, On-Highway Diesel-Powered Motor Vehicles, Report, TRN, ECD, CPC, FIN
- Touches household money: no
- Roll calls: 10 (166 yes, 7 no in all)
- Economic provisions PRIA read: 0

## Summary

Requires the Director of Business, Economic Development, and Tourism to implement a requirement that, no later than January 1, 2028, diesel fuel sold in certain counties for use in on-highway diesel-powered motor vehicles contains no less than five per cent biodiesel by volume, except in circumstances where the supply of biodiesel is insufficient. Requires the Department of Business, Economic Development, and Tourism to submit a report to the Legislature, including a comprehensive rollout plan. Requires the Director of Business, Economic Development, and Tourism to consult with the Department of Transportation during the development and implementation of the biodiesel requirements and present DBEDT's comprehensive rollout plan to the public. Effective 7/1/3050. (SD1)

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Matthias Kusch (Democratic), House
- Cosponsor: Terez Amato (Democratic), House
- Cosponsor: Cory M. Chun (Democratic), House
- Cosponsor: Greggor Ilagan (Democratic), House
- Cosponsor: Kirstin Kahaloa (Democratic), House
- Cosponsor: KEOHOKAPU-LEE LOY
- Cosponsor: Nicole E. Lowen (Democratic), House
- Cosponsor: Lisa Marten (Democratic), House
- Cosponsor: Dee Morikawa (Democratic), House
- Cosponsor: Julie Reyes Oda (Republican), House
- Cosponsor: Jenna Takenouchi (Democratic), House
- Cosponsor: Justin H. Woodson (Democratic), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2026-04-14 | Senate | Senate Floor Vote | pass | 22 | 3 |   |
| 2026-04-07 | Senate | The committee(s) on CPN recommend(s) that the measure be PASSED, UNAMENDED. The... | pass | 4 | 0 |   |
| 2026-04-07 | Senate | The committee(s) on WAM recommend(s) that the measure be PASSED, UNAMENDED. The... | pass | 11 | 0 |   |
| 2026-03-24 | Senate | The committee(s) on EIG recommend(s) that the measure be PASSED, WITH AMENDMENT... | pass | 3 | 0 |   |
| 2026-03-24 | Senate | The committee(s) on EDT recommend(s) that the measure be PASSED, WITH AMENDMENT... | pass | 4 | 0 |   |
| 2026-03-10 | House | House Floor Vote | pass | 47 | 3 |   |
| 2026-03-04 | House | The committee on CPC recommend that the measure be PASSED, WITH AMENDMENTS. The ... | pass | 10 | 0 |   |
| 2026-02-13 | House | The committee on ECD recommend that the measure be PASSED, WITH AMENDMENTS. The ... | pass | 7 | 0 |   |
| 2026-02-10 | House | Passed Second Reading as amended in HD 1 and referred to the committee(s) on ECD... | pass | 50 | 1 |   |
| 2026-02-05 | House | The committee on TRN recommend that the measure be PASSED, WITH AMENDMENTS. The ... | pass | 8 | 0 |   |

## Bill text

- Bill Text: [PDF](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_SD1_.pdf)
- HB2423_HD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_HD1_.HTM)
- HB2423_HD2: [HTML](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_HD2_.HTM)
- HB2423_HD3: [HTML](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_HD3_.HTM)
- HB2423_SD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_SD1_.HTM)
- Original: [HTML](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_.HTM), [PDF](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_.PDF)

## Related bills

- SB 847: RELATING TO PSYCHOLOGISTS. (became law)
- HB 2344: RELATING TO SCHOOL FACILITIES. (signed)
- HB 2023: RELATING TO TRANSPORTATION. (signed)
- HB 2021: RELATING TO TRANSPORTATION. (signed)
- SB 2338: RELATING TO HOUSING. (signed)
- HB 1973: RELATING TO HEALTH. (signed)

## Sources
- [Bill Text (PDF)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_SD1_.pdf)
- [HB2423_HD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_HD1_.HTM)
- [HB2423_HD2 (HTML)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_HD2_.HTM)
- [HB2423_HD3 (HTML)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_HD3_.HTM)
- [HB2423_SD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_SD1_.HTM)
- [Original (HTML)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_.HTM)
- [Original (PDF)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2423_.PDF)

## Related
- [SB 847: RELATING TO PSYCHOLOGISTS.](https://policyrisk.com/state-bill/HI-SB847-2026)
- [HB 2344: RELATING TO SCHOOL FACILITIES.](https://policyrisk.com/state-bill/HI-HB2344-2026)
- [HB 2023: RELATING TO TRANSPORTATION.](https://policyrisk.com/state-bill/HI-HB2023-2026)
- [HB 2021: RELATING TO TRANSPORTATION.](https://policyrisk.com/state-bill/HI-HB2021-2026)
- [SB 2338: RELATING TO HOUSING.](https://policyrisk.com/state-bill/HI-SB2338-2026)
- [HB 1973: RELATING TO HEALTH.](https://policyrisk.com/state-bill/HI-HB1973-2026)
- [Hawaii bills](https://policyrisk.com/states/hawaii/bills)
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Source: PRIA, https://policyrisk.com/state-bill/HI-HB2423-2026 (as of 2026-11-01).