Legislation: batch B — IL IN KS KY LA MA MD ME MI MN

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/md/2021/hb-44.md

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+---
+type: "Bill"
+title: "Clean Cars Act of 2021"
+description: "Clean Cars Act of 2021"
+jurisdiction: "us/states/md"
+legislature: "Maryland General Assembly"
+session: "2021"
+identifier: "HB 44"
+citation: "Maryland HB 44 (2021)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: ["Fraser-Hidalgo"]
+version_count: 4
+action_count: 18
+vote_count: 3
+first_action: "2020-11-01"
+last_action: "2021-05-30"
+source: "openstates"
+source_identifier: "ocd-bill/7d6c0855-2c8f-404a-9735-87bbfe294873"
+source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0044?ys=2021RS&search=True"
+source_hash: "97daac57c2fdb0fd9a3038a7d56442390e303d1bad2a2135ee81b177c4683fd3"
+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 44 (2021) — Clean Cars Act of 2021
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **Chapter - Clean Cars Act of 2021** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/Chapters_noln/CH_670_hb0044e.pdf)
+2. **Enrolled - Clean Cars Act of 2021** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0044e.pdf)
+3. **First - Clean Cars Act of 2021** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0044f.pdf)
+4. **Third - Clean Cars Act of 2021** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0044t.pdf)
+
+## Votes
+
+- On Third Reading and Final Passage (Hse concurred) — **100–39** (pass) · lower
+- On Third Reading — **106–29** (pass) · lower
+- On Third Reading (Amend) — **35–10** (pass) · upper
+
+## Sponsors
+
+- Fraser-Hidalgo — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2020-11-01** Pre-filed `introduction`
+- **2021-01-13** First Reading Environment and Transportation `referral-committee`
+- **2020-12-22** Hearing 1/28 at 1:30 p.m.
+- **2021-03-20** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
+- **2021-03-20** Favorable with Amendments { `committee-passage-favorable`
+- **2021-03-20** Second Reading Passed with Amendments
+- **2021-03-22** Third Reading Passed `passage`
+- **2021-03-22** Referred Budget and Taxation `referral-committee`
+- **2021-03-22** Reassigned to Finance Budget and Taxation
+- **2021-03-23** Hearing 3/30 at 1:00 p.m. (Finance)
+- **2021-04-09** Favorable with Amendments Report by Finance `committee-passage-favorable`
+- **2021-04-09** Favorable with Amendments { `committee-passage-favorable`
+- **2021-04-09** Second Reading Passed with Amendments
+- **2021-04-10** Third Reading Passed `passage`
+- **2021-04-12** House Concurs Senate Amendments
+- **2021-04-12** Third Reading Passed `passage`
+- **2021-04-12** Passed Enrolled
+- **2021-05-30** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 670 `became-law`
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7d6c0855-2c8f-404a-9735-87bbfe294873`. Confidence: reported (aggregated from official Maryland legislature records).
+