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Wyoming2008Enacted

HB0136

Wyoming Law on Dyed Diesel Fuel Inspections and Penalties

Last scannedOct 18, 2026, 2:19 AM

In one sentence

This law allows state troopers and special enforcement officers to inspect diesel fuel in vehicles and increases the fines for operating a vehicle with dyed diesel fuel in the engine supply tank.

What it does

  • Allows state troopers or special enforcement officers to inspect diesel fuel during an inspection under W.S. 31-18-301 or during a weight or safety inspection.
  • Allows state troopers or special enforcement officers to inspect diesel fuel if they have probable cause to believe the vehicle is operating in violation of the law.
  • Prohibits operating a motor vehicle on public roads with dyed diesel fuel in the tank or tanks that supply diesel fuel to the engine.
  • Increases the maximum fine for this violation from $300 to $500.
  • Increases the per-gallon fine from $3 to $5, with the total fine being whichever amount is greater.

Who it affects

  • Drivers of motor vehicles on public roads in Wyoming.
  • State troopers and special enforcement officers.
  • Employees designated as special enforcement officers under W.S. 31-1-203.

Limits and unknowns

  • The law does not specify the exact visual color of the dyed fuel.
  • The law does not define the specific criteria for 'probable cause' beyond the general legal standard.
  • The law does not state how often inspections may occur.

Plain language

Terms to know

Dyed diesel fuel
Diesel fuel that is prohibited from being in the engine supply tank of a vehicle on public roads.
Probable cause
A reasonable belief, based on facts, that a law has been broken.
Special enforcement officer
An employee designated by the state to issue summonses for specific vehicle and fuel violations.

Official record

Sources

Source checked
Read the official summary

2008 General Session Summary for HB0136 Bill No.: HB0136 Drafter: JDA LSO No.: 08LSO-0302 Effective Date: 7/1/2008 Enrolled Act No.: HEA0040 Chapter No.: Prime Sponsor: Representative Cohee Catch Title: Dyed fuel-enforcement. Subject: Inspection of diesel fuel in certain circumstances. Summary/Major Elements: This bill provides authority for a state trooper or special enforcement officer to inspect diesel fuel during an inspection or on probable cause that the vehicle is operating with dyed diesel fuel in the supply tank or tanks. The bill increases the penalty for operating a motor vehicle with dyed diesel fuel in the supply tank to five hundred dollars or five dollars per gallon, whichever is greater.

Public statements

Why lawmakers voted

Last checked Aug 8, 11:21 PM

Voted Yes

Why they voted this way

The lawmaker supports the bill because it tightens regulations by requiring inspections to occur during weight or safety checks and adds a probable cause standard for inspecting dyed fuel.

Public statementFloor statement at 2:54:33 Watch the statement
Voted Yes

Why they voted this way

The lawmaker supports concurrence because adding probable cause removes the problematic provision allowing inspections without limitation, thereby protecting farmers and ranchers from arbitrary stops.

Public statementFloor statement at 2:58:14 Watch the statement

If a lawmaker is not listed, we couldn't find a published reason.

Wyoming roll calls

Recorded votes

6 roll calls

H Did Concur 53-6-1-0-02008-03-04 · House53 yes 6 no
S Passed 3rd Reading 29-1-0-0-02008-03-04 · Senate29 yes 1 no
S08 Recommended Do Pass 5-0-0-0-02008-02-28 · Senate5 yes 0 no
H Passed 3rd Reading 47-13-0-0-02008-02-26 · House47 yes 13 no
H08 Recommended Amend and Do Pass 9-0-0-0-02008-02-22 · House9 yes 0 no
H Introduced and Referred to H08 58-1-1-0-02008-02-14 · House58 yes 1 no

Official activity

Bill history

  1. Assigned Chapter Number - 69LSO
  2. Governor Signed HEA0040Governor
  3. S President Signed HEA No. 0040Senate
  4. H Speaker Signed HEA No. 0040House
  5. Assigned Number HEA0040LSO
  6. H Did ConcurHouse
  7. H Received for ConcurrenceHouse
  8. S Passed 3rd ReadingSenate
  9. S Passed 2nd ReadingSenate
  10. Amendment AdoptedSenate
  11. S Passed CoWSenate
  12. Amendment AdoptedSenate
  13. S Amendments AdoptedSenate
  14. S Placed on General FileSenate
  15. S08 Recommended Do PassSenate
  16. S Introduced and Referred to S08Senate
  17. S Received for IntroductionSenate
  18. H Passed 3rd ReadingHouse
  19. H Passed 2nd ReadingHouse
  20. H Passed CoWHouse

Changes

Amendments

3 stored

HB0136HS001

Adopted Standing Committee by H08

HB0136S2001

Adopted 2nd reading by FECHT

HB0136SW001

Adopted Committee of the Whole by MEIER