---
type: "Bill"
title: "Department of the Environment - Zero-Emission Medium- and Heavy-Duty Vehicles - Regulations (Clean Trucks Act of 2023)"
description: "Department of the Environment - Zero-Emission Medium- and Heavy-Duty Vehicles - Regulations (Clean Trucks Act of 2023)"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2023"
identifier: "HB 230"
citation: "Maryland HB 230 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Addison", "Allen", "Barve", "Charkoudian", "Foley", "Fraser-Hidalgo", "Guyton", "Healey", "Holmes", "J. Long", "Lehman", "Love", "Moon", "Queen", "Ruth", "Stein", "Stewart", "Terrasa", "Turner", "Vogel"]
version_count: 3
action_count: 20
vote_count: 0
first_action: "2023-01-23"
last_action: "2023-04-21"
source: "openstates"
source_identifier: "ocd-bill/6b01caae-6088-488e-9112-183a6eea9ecb"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0230?ys=2023RS&search=True"
source_hash: "abcdb35eaf9ef8923a031dcab85bc83c1953a4dc7335daefd9d10ebe904a054c"
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-md"]
---

# Maryland HB 230 (2023) — Department of the Environment - Zero-Emission Medium- and Heavy-Duty Vehicles - Regulations (Clean Trucks Act of 2023)

## Version chain

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

1. **Chapter - Department of the Environment - Zero-Emission Medium- and Heavy-Duty Vehicles - Regulations (Clean Trucks Act of 2023)** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/Chapters_noln/CH_97_hb0230t.pdf)
2. **First - Department of the Environment - Zero-Emission Medium- and Heavy-Duty Vehicles - Regulations (Clean Trucks Act of 2023)** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0230f.pdf)
3. **Third - Department of the Environment - Zero-Emission Medium- and Heavy-Duty Vehicles - Regulations (Clean Trucks Act of 2023)** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0230t.pdf)

## Sponsors

- Addison — primary (person)
- Allen — primary (person)
- Barve — primary (person)
- Charkoudian — primary (person)
- Foley — primary (person)
- Fraser-Hidalgo — primary (person)
- Guyton — primary (person)
- Healey — primary (person)
- Holmes — primary (person)
- J. Long — primary (person)
- Lehman — primary (person)
- Love — primary (person)
- Moon — primary (person)
- Queen — primary (person)
- Ruth — primary (person)
- Stein — primary (person)
- Stewart — primary (person)
- Terrasa — primary (person)
- Turner — primary (person)
- Vogel — primary (person)

## Timeline

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

- **2023-01-23** First Reading Environment and Transportation `referral-committee`
- **2023-01-25** Hearing 2/08 at 1:30 p.m.
- **2023-03-30** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2023-03-30** Favorable with Amendments { `committee-passage-favorable`
- **2023-03-30** Motion Special Order until 3/31 (Delegate Buckel) Adopted
- **2023-03-31** Floor Amendment {
- **2023-03-31** Floor Amendment {
- **2023-03-31** Floor Amendment {
- **2023-03-31** Floor Amendment {
- **2023-03-31** Second Reading Passed with Amendments
- **2023-04-03** Motion Vote Previous Question (Delegate Kaufman) Adopted
- **2023-04-03** Third Reading Passed `passage`
- **2023-04-03** Referred Rules `referral-committee`
- **2023-04-05** Rereferred to Education, Energy, and the Environment
- **2023-04-07** Favorable Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2023-04-07** Favorable Adopted `committee-passage-favorable`
- **2023-04-07** Second Reading Passed
- **2023-04-10** Third Reading Passed `passage`
- **2023-04-10** Returned Passed
- **2023-04-21** Approved by the Governor - Chapter 97 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6b01caae-6088-488e-9112-183a6eea9ecb`. Confidence: reported (aggregated from official Maryland legislature records).