---
type: "Bill"
title: "AN ACT TO AMEND TITLE 21 OF THE DELAWARE CODE RELATING TO MOTOR VEHICLES, OPERATIONS AND EQUIPMENT, RULES OF THE ROAD, MISCELLANEOUS RULES."
description: "This legislation creates a fine for “Coal Rolling”, a practice that is often undetectable at the time of vehicle inspection due to the ability of an operator to change functions and increase emissions after passing inspection."
jurisdiction: "us/states/de"
legislature: "Delaware General Assembly"
session: "149"
identifier: "SB 149"
citation: "Delaware SB 149 (149)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Edward S. Osienski", "Gregory F. Lavelle", "Stephanie L. Hansen"]
version_count: 1
action_count: 7
vote_count: 2
first_action: "2018-01-24"
last_action: "2018-09-04"
source: "openstates"
source_identifier: "ocd-bill/b8c23f5e-192b-4bdc-9125-155455320b11"
source_url: "https://legis.delaware.gov/BillDetail?LegislationId=26292"
source_hash: "22c64f666000b4a8f09a7dc266a726255d5ced0173e1cfb8d97e78ed2ca6bec6"
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-de"]
---

# Delaware SB 149 (149) — AN ACT TO AMEND TITLE 21 OF THE DELAWARE CODE RELATING TO MOTOR VEHICLES, OPERATIONS AND EQUIPMENT, RULES OF THE ROAD, MISCELLANEOUS RULES.

This legislation creates a fine for “Coal Rolling”, a practice that is often undetectable at the time of vehicle inspection due to the ability of an operator to change functions and increase emissions after passing inspection.

## Version chain

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

1. **Bill Text** (committee substitute) — [source](https://legis.delaware.gov/json/BillDetail/GenerateHtmlDocument?legislationId=26292&legislationTypeId=1&docTypeId=2&legislationName=SB149)

## Votes

- SM — **20–0** (pass) · upper
- SM — **41–0** (pass) · lower

## Sponsors

- Edward S. Osienski — primary (person)
- Gregory F. Lavelle — primary (person)
- Stephanie L. Hansen — primary (person)
- Brian J. Bushweller — cosponsor (person)
- Bryant L. Richardson — cosponsor (person)
- Bryon H. Short — cosponsor (person)
- David P. Sokola — cosponsor (person)
- Gerald L. Brady — cosponsor (person)
- Helene M. Keeley — cosponsor (person)
- John A. Kowalko — cosponsor (person)
- John L. Mitchell — cosponsor (person)
- Joseph E. Miro — cosponsor (person)
- Margaret Rose Henry — cosponsor (person)
- Paul S. Baumbach — cosponsor (person)

## Timeline

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

- **2018-01-24** Introduced and Assigned to Transportation Committee in Senate `introduction, referral-committee`
- **2018-03-15** Reported Out of Committee (Transportation) in Senate with 1 Favorable, 3 On Its Merits `committee-passage-favorable, committee-passage`
- **2018-03-20** Passed By Senate. Votes: 20 YES 1 ABSENT `passage`
- **2018-03-22** Assigned to Transportation/Land Use and Infrastructure Committee in House `introduction, referral-committee`
- **2018-04-18** Reported Out of Committee (Transportation/Land Use and Infrastructure) in House with 6 On Its Merits `committee-passage`
- **2018-07-01** Passed By House. Votes: 41 YES `passage`
- **2018-09-04** Signed by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b8c23f5e-192b-4bdc-9125-155455320b11`. Confidence: reported (aggregated from official Delaware legislature records).