Commercial Vehicle Muffler Requirements
Introduced
Moved
Reached a final decision
Became law
Derived from the official record below.
Officially: “Concerning muffler requirements for commercial vehicles.” Read the full text
Official title shown verbatim from the official record. Plain-language summary coming as coverage deepens. Not legal advice.
2025 Regular Session
Where it is
Introduced In House - Assigned to Transportation, Housing & Local Government · Jan 8, 2025
House
House Committee on Transportation, Housing & Local Government Refer Amended to Appropriations · Jan 28, 2025
House
House Committee on Appropriations Refer Unamended to House Committee of the Whole · Apr 15, 2025
House
House Second Reading Special Order - Passed with Amendments - Committee, Floor · Apr 17, 2025
House
House Third Reading Passed - No Amendments · Apr 21, 2025
House
Introduced In Senate - Assigned to Transportation & Energy · Apr 22, 2025
Senate
Senate Committee on Transportation & Energy Refer Unamended to Appropriations · Apr 28, 2025
Senate
Senate Committee on Appropriations Refer Unamended - Consent Calendar to Senate Committee of the Whole · Apr 30, 2025
Senate
Senate Second Reading Special Order - Passed - No Amendments · Apr 30, 2025
Senate
Senate Third Reading Passed - No Amendments · May 1, 2025
Senate
Signed by the Speaker of the House · May 13, 2025
House
Signed by the President of the Senate · May 13, 2025
Senate
Sent to the Governor · May 13, 2025
Governor
Governor Signed · May 15, 2025
Governor
The numbers
4
sponsors on the bill
Sponsors
Representative Brianna TitoneRepresentative Lesley SmithSenator Dylan RobertsSenator Marc Catlin
Recorded votes
BillSenate · 2025-05-01 · Yes 30, No 5, Absent 0, Excused 0
BillHouse · 2025-04-21 · Yes 41, No 22, Absent 0, Excused 2
Roll-call results shown verbatim from the Colorado legislature’s records. A result reflects that roll call’s own motion, not the bill’s overall outcome.
Every fact on this page links to its source, starting with the official bill record. Last action: Governor Signed (May 15, 2025).