An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Verified Technologies for SmartWay and Clean Diesel

Formerly SmartWay Verified List for Aerodynamic Devices

Help

For more information about the terms used in this table, view the "Learn about" tab.

For help on using the table below:

The devices listed below were tested and verified by SmartWay prior to 2014.

If you are a device manufacturer and you believe that your device should not be archived, please contact EPA SmartWay at Tech_Center@epa.gov.

IMPORTANT NOTES:
  • Please read: EPA's Disclaimer on Verified Technologies
  • These devices have been archived due to:
    • Product discontinuation; or
    • Lack of updates from the device manufacturer. 
  • Any in-use units of these devices are still considered SmartWay verified.
Device Name Fuel Savings Category Device Category Testing Method
Aerofficient Aero-slide side fairing system (with rearmost telescoping panel) (model  ASFS) 5% Skirt SmartWay Verifications Pre-2014
American Trailer Skirts American Trailer Kit 5% Skirt SmartWay Verifications Pre-2014
Fleet Engineers Advanced Air Slipper (#034-02290) 5% Skirt SmartWay Verifications Pre-2014
Ridge Corp. GreenWing RAC0003 5% Skirt SmartWay Verifications Pre-2014
Sweet Bottom Trailer Skirt 5% Skirt SmartWay Verifications Pre-2014
Transtex 19-36 Skirt 4% Skirt SmartWay Verifications Pre-2014
Transtex 21.6-36 Skirt 4% Skirt SmartWay Verifications Pre-2014
Transtex rear trailer fairing 1% Skirt SmartWay Verifications Pre-2014
Carrier Transicold Belly Fairing 4% Skirt SmartWay Verifications Pre-2014
Fleet Engineers Extended Air Slipper 4% Skirt SmartWay Verifications Pre-2014
FreightWing belly fairing Trailer Skirts 4% Skirt SmartWay Verifications Pre-2014
Ridge Corp. GreenWing RAC0002 4% Skirt SmartWay Verifications Pre-2014
Nose Cone Mfg. Co. AeroTrak VG Pro 5% Other Trailer Device SmartWay Verifications Pre-2014
SA Concepts AeroSmart Trailer Skirt 4% Skirt SmartWay Verifications Pre-2014
Aerodynamic Trailer Systems (ATS) dual lobe boat tail 1% Tail SmartWay Verifications Pre-2014
Carrier Transicold Gap Fairing 1% Gap Reducer SmartWay Verifications Pre-2014
Nosecone "Nose 3-D" Gap Reducer (consists of top and side units sold as one piece of equipment) 1% Gap Reducer SmartWay Verifications Pre-2014