Aerodynamic Technologies

To date the EPA has verified the following categories of aerodynamic technologies:

• Trailer Gap Reducer
• Trailer Boat Tail and Trailer Side Skirts (used in combination with one another)
• Advanced Trailer End Fairing
• Advanced Tailer Skirt

In order to be eligible for funding under the Diesel Emission Reduction Program, verified aerodynamic technologies must be specifically listed on EPA’s verified technology list.