Modifying requirements for diesel-powered equipment in mines
SB 942 modifies state regulations governing diesel-powered equipment used in mining operations. It directly affects mining companies and operators who use such equipment at mine sites. The bill changes specific requirements related to emissions standards, maintenance, or equipment specifications for diesel machinery in mines (though the exact technical modifications are not detailed in the provided context). The legislation was enacted into law as Chapter 182 of the 2025 Regular Session Acts on April 25, 2025. Without additional bill text, the precise nature of the "modifications" cannot be specified.
Bill status
signed
all 5 stages cleared
Introduction
Apr 2025
Committee Review
Apr 2025
Senate Passage
Apr 2025
House of Delegates Passage
Apr 2025
Signed into Law
Aug 2025
Introduced Apr 3, 2025
Signed Aug 8, 2025
Maddy AI version diff · 2 comparisons
What changed between versions
sb942 hepw am. _1 4-8 adopted.htm
→
Enrolled Version
·
4 edits
·
Apr 25, 2025
MODERATE
The document transitioned from a committee amendment draft to the final enrolled version of the bill. The substantive policy text regarding the authorization and movement of diesel-powered equipment in underground coal mines remained identical, while the document added standard legislative formatting, certification signatures, and official enactment language.
Scope change
No change to the bill's scope or applicability; the operational rules for diesel equipment are unchanged.
TECHNICAL
Added standard legislative headers, navigation links, and footer information typical of an official enrolled bill.
Included certification language and signature lines for the Clerks of the Senate and House, the President of the Senate, the Speaker of the House, and the Governor.
Removed committee amendment metadata, including the specific committee name, bill number, and amendment tracking numbers.
TIMELINE
Added the official enactment date of April 12, 2025, and confirmed the bill is in effect from passage.
Floor votes · Senate Apr 2, 2025 · House of Delegates Apr 11, 2025
How they voted
29–4
Passed
Total votes 33
Apr 2, 2025
D
Democratic2
100% Nay
R
Republican31
93% Yea
Vote distribution
All Yea
All Nay
Mixed
No data
Full legislative history
Actions timeline
Total actions
41
Key actions
10
Committee
4
Amendments
2
Apr 25, 2025
Signed into law
Approved by Governor 4/25/2025
upper
Apr 12, 2025
Signed into law
Approved by Governor 4/25/2025 - House Journal
lower
Apr 12, 2025
Signed into law
Approved by Governor 4/25/2025 - Senate Journal
upper
Apr 12, 2025
Upper · Passed
Senate concurred in House amendments and passed bill (Roll No. 561)
upper
Apr 11, 2025
Lower · Passed
Amendment adopted (Voice vote)
lower
Apr 11, 2025
Lower · Passed
Passed House (Roll No. 536)
lower
Apr 10, 2025
Lower · Passed
Committee amendment adopted (Voice vote)
lower
Apr 10, 2025
Introduced
Amendment reported by the Clerk
lower
Apr 9, 2025
Lower · Passed
With amendment, do pass
lower
Apr 3, 2025
Committee
To House Energy and Public Works
lower
Apr 3, 2025
Introduced
Introduced in House
lower
Apr 2, 2025
Upper · Passed
Passed Senate (Roll No. 294)
upper
Apr 1, 2025
Introduced
Unanimous consent to reconsider action; moved to 3rd w/right to amend
upper
Mar 29, 2025
Upper · Passed
Reported do pass
upper
1 primary · 7 co-sponsors
Sponsors
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