---
type: "Bill"
title: "Maryland Transit Administration - Conversion to Zero-Emission Buses (Zero-Emission Bus Transition Act Revisions)"
description: "Maryland Transit Administration - Conversion to Zero-Emission Buses (Zero-Emission Bus Transition Act Revisions)"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2022"
identifier: "SB 61"
citation: "Maryland SB 61 (2022)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Zucker"]
version_count: 3
action_count: 14
vote_count: 2
first_action: "2021-11-01"
last_action: "2022-05-16"
source: "openstates"
source_identifier: "ocd-bill/88dbc429-5452-4a4f-83f9-e0f6682ba15a"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0061?ys=2022RS&search=True"
source_hash: "1317d9213b7a734797883f5004da201a9b120908c14e0d08598b923261ca56bb"
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 SB 61 (2022) — Maryland Transit Administration - Conversion to Zero-Emission Buses (Zero-Emission Bus Transition Act Revisions)

## Version chain

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

1. **Chapter - Maryland Transit Administration - Conversion to Zero-Emission Buses (Zero-Emission Bus Transition Act Revisions)** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/Chapters_noln/CH_463_sb0061t.pdf)
2. **First - Maryland Transit Administration - Conversion to Zero-Emission Buses (Zero-Emission Bus Transition Act Revisions)** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/sb/sb0061f.pdf)
3. **Third - Maryland Transit Administration - Conversion to Zero-Emission Buses (Zero-Emission Bus Transition Act Revisions)** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/sb/sb0061t.pdf)

## Votes

- On Third Reading — **44–0** (pass) · upper
- On Third Reading — **98–40** (pass) · lower

## Sponsors

- Zucker — primary (person)

## Timeline

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

- **2021-11-01** Pre-filed `introduction`
- **2022-01-12** First Reading Education, Health, and Environmental Affairs `referral-committee`
- **2022-01-27** Hearing 2/15 at 1:00 p.m.
- **2022-03-01** Favorable Report by Education, Health, and Environmental Affairs `committee-passage-favorable`
- **2022-03-02** Favorable Adopted `committee-passage-favorable`
- **2022-03-02** Second Reading Passed
- **2022-03-04** Third Reading Passed `passage`
- **2022-03-07** Referred Environment and Transportation Appropriations `referral-committee`
- **2022-04-06** Favorable Report by Environment and Transportation `committee-passage-favorable`
- **2022-04-06** Favorable Report by Environment and Transportation `committee-passage-favorable`
- **2022-04-06** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2022-04-07** Third Reading Passed `passage`
- **2022-04-07** Returned Passed
- **2022-05-16** Approved by the Governor - Chapter 463 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/88dbc429-5452-4a4f-83f9-e0f6682ba15a`. Confidence: reported (aggregated from official Maryland legislature records).