Colorado Department of Revenue
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Registering A Diesel Powered Vehicle

Person Filling out Paperwork     

Diesel vehicles must be inspected prior to registration in the diesel emissions program. Proof of inspection is required for registration in the following counties:

 

  • Boulder
  • Jefferson
  • Broomfield
  • Denver
  • Douglas

 

Proof of inspection may be required for registration in the following counties:

 

  • Adams
  • Arapaho
  • El Paso
  • Larimer
  • Weld

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Emissions Requirements