Air

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, click here

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Fuels

Mobile sources in Connecticut typically burn gasoline or diesel fuel, but new vehicle technologies allow vehicles to operate with zero or low emissions by utilizing electricity or renewable fuels to power the vehicle. Learn more about Fuels in CT!
CT LEV Program

The LEV program requires that all new vehicles sold in Connecticut meet strict California emission standards.
Air Quality Summary and Trends

Air Quality Summaries and Trends
Air Monitoring Network
Air Pollutant Information
Title V Operating Permit Program
Open Burning

Learn about open burning, which is the burning of any matter, where smoke and other emissions are released directly into the ambient air without passing through an adequate stack or flue.
Federal Rulemaking

DEEP submits comments to EPA on proposed federal actions that impact air quality

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Connecticut Department of Energy & Environmental Protection

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