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How Often Emissions Test Maryland

How Often Emissions Test Maryland

Maryland, like many other states, requires vehicles to undergo emissions testing to ensure they meet the state’s environmental standards. These tests help reduce air pollution and maintain a healthy environment for all residents. If you own a vehicle in Maryland, it’s important to know how often you need to get an emissions test and what the requirements are. In this article, we will discuss the frequency of emissions testing in Maryland and provide answers to frequently asked questions.

Frequency of Emissions Testing

In Maryland, the frequency of emissions testing depends on the age and type of your vehicle. Generally, vehicles registered in the state are required to undergo an emissions test once every two years. However, there are some exceptions to this rule.

Vehicles that are less than four years old are exempt from emissions testing. Once your vehicle reaches its fourth year, it will need to be tested every two years. This testing frequency continues until the vehicle reaches its 20th year, at which point it will require an emissions test every year. Vehicles that are 26 years old or older are exempt from emissions testing.

It’s important to note that these rules apply to gasoline-powered vehicles. Diesel-powered vehicles, on the other hand, are tested annually regardless of their age.


Aside from the age exemptions mentioned above, there are a few other scenarios where your vehicle may be exempt from emissions testing in Maryland. Vehicles that are registered as historic, street rods, or antique are not required to undergo emissions testing. Additionally, if your vehicle is temporarily out of state, you can request a temporary exemption from testing.

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Frequently Asked Questions

Q: How do I know when my vehicle needs an emissions test?

A: The Maryland Motor Vehicle Administration (MVA) will send you a notice when your vehicle is due for an emissions test. It’s important to keep your address updated with the MVA to ensure you receive these notifications in a timely manner.

Q: What happens if I fail the emissions test?

A: If your vehicle fails the emissions test, you will need to have the necessary repairs done to bring it into compliance with state standards. Once the repairs are completed, you can have your vehicle retested.

Q: Where can I get an emissions test in Maryland?

A: Maryland has numerous emissions testing locations throughout the state. These include privately-owned inspection stations as well as self-service kiosks at certain locations. You can find a list of authorized testing locations on the MVA website.

Q: How much does an emissions test cost?

A: The cost of an emissions test in Maryland is $14 for most vehicles. However, diesel vehicles require an additional fee of $10.

Q: Can I get an emissions test done outside of Maryland?

A: No, if your vehicle is registered in Maryland, you must get the emissions test done within the state.

Q: What are the consequences of not getting an emissions test?

A: Failure to comply with emissions testing requirements can result in penalties, including fines and the suspension of your vehicle’s registration. It’s important to stay up to date with your emissions testing to avoid these consequences.

In conclusion, emissions testing in Maryland is required for most vehicles every two years, with the frequency changing based on the age and type of vehicle. It’s essential to follow these requirements to maintain compliance with state regulations and ensure a healthier environment for all residents. If you have any further questions or concerns, contact the Maryland Motor Vehicle Administration for more information.

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