• State Of Colorado Auto Insurance Requirements

Smog and Emissions Testing in Colorado All car owners who reside in Colorado must undergo a regular vehicle inspection by the DMV. Vehicle emissions testing is a part of the inspection in some counties and its purpose is to ensure that cars on the road are not emitting a high level of smog. Passing emissions testing is mandatory for vehicles that are required to have the inspection. The emission test requirements in CO differ depending on the vehicle's model year and fuel type. Review the following sections for further information:. Colorado emissions and requirements.

The Colorado state emissions testing program covers the counties of Adams, Arapahoe, Boulder, Denver, Douglas, Larimer, Weld, Jerrerson, and Broomfield State. RapidScreen is Air Care Colorado's roadside emissions testing program. Inspection Program FAQ. If My Vehicle is Out of State When its Emission.

To be eligible a home must fall within the FAA approved sound exposure map. Massport submits to the FAA for approval a 65 DNL noise contour for a specific year. After FAA approval, Massport uses the 65 DNL contour to determine residential sound proofing eligibility. Sound insulation program airport.

Smog check exemptions in Colorado. Out-of-state emissions testing in Colorado. Emissions waivers in Colorado. Testing fees in Colorado. Where to perform an emissions check in Colorado. Failing a Colorado smog and emissions check.

Colorado Emissions and Smog Check Requirements The emission test requirements in Colorado generally vary depending on the car's model year and fuel type. The type of vehicle inspection given will be contingent on these factors, and each have similar but different criteria. There are five different types of smog checks that are administered in CO:. Onboard diagnostics (OBD). Two-speed idle test. I/M 240 dynamometer (treadmill) test.

RapidScreen Roadside test. Diesel emissions test. The OBD emissions test is given to gasoline-fueled vehicles that are eight to 11 years old, or hybrid vehicles that are eight years or older. The OBD smog check standards for hybrid vehicles are the same as gasoline-powered vehicles. Using this method of auto emissions testing, vehicles that display the 'check engine' light will automatically fail the inspection. The vehicle inspection for vehicles that are at least twelve years old but has a model year no older than 1982 will include the I/M 240 dynamometer test.

It is possible to pass the treadmill smog test even if the 'check engine' indicator is on. Gasoline fueled cars that have a model year of 1981 or older will undergo the two-speed idle test. The DMV smog test for vehicles that let off very little emissions is the RapidScreen Roadside test.

The car smoke test for these types of vehicles do not require the car to be taken for a physical inspection. Independent smog certification providers need to be sought for diesel vehicle owners, as the Colorado Department of Public Health & Environment does not administer auto to diesel-powered vehicles.

State Of Colorado Auto Insurance Requirements

Smog Check Exemptions in Colorado Auto emissions testing in Colorado is not required for all vehicles. Smog certification is only needed in certain counties within Colorado, particularly those that are at risk for high smog levels. Even within these counties, the DMV smog check is not mandatory for all vehicles. A smog inspection in CO is only needed regularly in a few select counties. Residents living outside of these counties are not subject to Colorado emissions testing, except in very special cases.