---
type: "Bill"
title: "Clean Cars Act of 2022"
description: "Clean Cars Act of 2022"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2022"
identifier: "HB 1391"
citation: "Maryland HB 1391 (2022)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Amprey", "Barve", "Boyce", "Foley", "Fraser-Hidalgo", "Healey", "Holmes", "Jalisi", "Love", "Otto", "Prettyman", "Ruth", "Stein", "Stewart", "Terrasa", "Wells"]
version_count: 4
action_count: 19
vote_count: 3
first_action: "2022-02-15"
last_action: "2022-04-21"
source: "openstates"
source_identifier: "ocd-bill/16b3da5a-b06a-4086-9c36-45e081b748a0"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb1391?ys=2022RS&search=True"
source_hash: "cd892d1a0f09bdc785f5ff3386f1c482b8c266021f0d44798ed757d002a56b71"
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 1391 (2022) — Clean Cars Act of 2022

## Version chain

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

1. **Chapter - Clean Cars Act of 2022** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/Chapters_noln/CH_234_hb1391e.pdf)
2. **Enrolled - Clean Cars Act of 2022** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/hb/hb1391e.pdf)
3. **First - Clean Cars Act of 2022** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/hb/hb1391f.pdf)
4. **Third - Clean Cars Act of 2022** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/hb/hb1391t.pdf)

## Votes

- On Third Reading — **101–32** (pass) · lower
- On Third Reading (Amend) — **39–8** (pass) · upper
- On Third Reading and Final Passage (Hse concurred) — **96–35** (pass) · lower

## Sponsors

- Amprey — primary (person)
- Barve — primary (person)
- Boyce — primary (person)
- Foley — primary (person)
- Fraser-Hidalgo — primary (person)
- Healey — primary (person)
- Holmes — primary (person)
- Jalisi — primary (person)
- Love — primary (person)
- Otto — primary (person)
- Prettyman — primary (person)
- Ruth — primary (person)
- Stein — primary (person)
- Stewart — primary (person)
- Terrasa — primary (person)
- Wells — primary (person)

## Timeline

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

- **2022-02-15** First Reading House Rules and Executive Nominations `referral-committee`
- **2022-03-03** Rereferred to Environment and Transportation
- **2022-03-03** Hearing 3/11 at 1:00 p.m.
- **2022-03-11** Hearing canceled
- **2022-03-11** Hearing 3/11 at 2:00 p.m.
- **2022-03-21** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2022-03-21** Favorable with Amendments { `committee-passage-favorable`
- **2022-03-21** Second Reading Passed with Amendments
- **2022-03-21** Third Reading Passed `passage`
- **2022-03-21** Referred Finance `referral-committee`
- **2022-03-22** Hearing 3/31 at 1:00 p.m.
- **2022-04-08** Favorable with Amendments Report by Finance `committee-passage-favorable`
- **2022-04-08** Favorable with Amendments { `committee-passage-favorable`
- **2022-04-08** Second Reading Passed with Amendments
- **2022-04-08** Third Reading Passed `passage`
- **2022-04-11** House Concurs Senate Amendments
- **2022-04-11** Third Reading Passed `passage`
- **2022-04-11** Passed Enrolled
- **2022-04-21** Approved by the Governor - Chapter 234 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/16b3da5a-b06a-4086-9c36-45e081b748a0`. Confidence: reported (aggregated from official Maryland legislature records).