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  1. Home
  2. Verified Technologies for SmartWay and Clean Diesel

Overview of the SmartWay Verification Process for Idling Reduction Technologies (IRTs) for Trucks

  • Overview
  • Requirements
  • Application
  • Technology Info
  • Testing
  • Evaluation
Related Topics
  • Learn more about:
    IRTs for Trucks

EPA's SmartWay Verification Program evaluates the ability of IRTs to decrease main engine idling in Class 8 long haul tractor trailers in order to save fuel and reduce emissions.

IMPORTANT NOTES:
  • Due to the complexity of the verification process, EPA cannot guarantee specific time frames for completion.
  • Manufacturers can expedite the process by providing immediate and thorough responses to all EPA inquiries.

There are five parts to this process:

Part 1: Requirements

Make sure you meet the device eligibility requirements before applying.
  • Click this link or the tab above:
    Requirements review for SmartWay Verification

Part 2: Application

Fill out the web form completely.
  • Click this link or the tab above:
    Application for SmartWay Verification

Part 3: Technology Info

In this phase, users will provide technology-specific information.
  • Click this link or the tab above:
    Technology-Specific Information for SmartWay Verification

Part 4: Testing

Testing consists of selecting a test facility, developing a test plan, and working with EPA to ensure the quality of the testing. Please DO NOT conduct verification testing without EPA approval.
  • Click this link or the tab above:
    Testing for SmartWay Verification

Part 5: Evaluation

Evaluation includes reviewing the verification test data and if satisfactory, issuance of a Verification letter, and addition to the Verified List.
  • Click this link or the tab above:
    Evaluation for SmartWay Verification

Verified Technologies for SmartWay and Clean Diesel

  • Clean Diesel Technology
    • Learn About
    • Verified List
    • Verification Process
    • Manufacturer Contact List
  • SmartWay Technology
    • For Trucks & School Buses
      • Designated Tractors
      • Designated Trailers
      • Refrigerated Trailers and TRU Calculator
      • Aerodynamic Devices
      • Idling Reduction
      • Tires
    • For Locomotives
    • For Marine Technology
Contact Us about Verified Technologies for SmartWay and Clean Diesel
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on April 28, 2025
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