Mobile Sources

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  • Anti-Idling - Casey’s Clean Air Week

    Connecticut continues its effort to reduce unnecessary idling and increase awareness of the adverse effects of idling on public health and the environment. Children are particulary vulnerable to diesel exhaust emissions and Connecticut has focused on reducing diesel school bus emissions at schools. Learn more about anti-idling efforts at Connecticut schools.

  • CT LEV Program

    The LEV program requires that all new vehicles sold in Connecticut meet strict California emission standards.

  • Clean Vehicles

    Transformation of Connecticut's transportation system is vital to meeting Connecticut's clean air goals. Moving from polluting fossil fuels to cleaner, renewable fuels will alleviate environmental impacts for all Connecticut residents.

  • Heavy Duty Vehicles

    Heavy duty vehicles are critical to Connecticut’s economy but they consume large amounts of fossil fuels. Learn about ways these vehicles can be operated more efficiently and how DEEP has funded projects throughout the state.

  • Diesel Emissions Reduction Projects

    DEEP’s diesel grants and funding efforts since 2008 have leveraged millions from the state and national DERA programs, the federal American Recovery and Reinvestment Act, the Connecticut Clean School Bus Act, and SEP funds to reduce diesel emissions that impact both the environment and citizens of Connecticut.

  • Vehicle Emission Testing

    Connecticut's Inspection and Maintenance (I/M) Program is an important part of the strategy to ensure that Connecticut is positioned to attain the National Ambient Air Quality Standard for Ozone.

  • DERA Grants

    The Diesel Emission Reduction Act (DERA), contained within the Energy Policy Act of 2005, provides grants and loans to states and other eligible entities to achieve significant reductions in diesel emissions.

  • CHEAPR - Contact Us

    Email and phone contact information for the CHEAPR program

  • CHEAPR - Program Statistics

    Access interactive CHEAPR program statistics.

  • EVConnecticut - Incentives

    Federal, state and community incentives make electric vehicles and charging stations more affordable than ever.

  • CHEAPR - FAQ

    Find out the answers to some of the most frequently asked questions regarding the CHEAPR program

  • Fueling Mobile Sources

    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!

  • CHEAPR - Resources

    Find all CHEAPR program documentation and promotional materials here.

  • EVConnecticut - EV Benefits

    EVs offer multiple benefits that may not be initially apparent when shopping for one. Discover the benefits of owning an EV now!

  • EVConnecticut - Electric Vehicles FAQ

    The term "electric vehicles" is an umbrella that covers many types of vehicles including battery electric vehicles (BEVs), plug-in electric vehicles (PHEVs), and fuel-cell electric vehicle (FCEVs). We will explain these terms and answer some frequently asked questions people typically have when discussing electric vehicles.