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  2. Verified Technologies for SmartWay and Clean Diesel

Requirements for SmartWay Verification of Idling Reduction Technologies (IRTs) for Locomotives

  • Overview
  • Requirements
  • Application
  • Technology Info
  • Evaluation

Before applying for SmartWay verification, consider the following:

Requirements for device eligibility

The device must be:
  • Designed for a Switcher or Line Haul Locomotive;
  • Able to provide idle reduction service in lieu of running the locomotive engine(s); and
  • Currently commercially available.

Testing requirements

Manufacturers must communicate with EPA before conducting testing for verification purposes.

Requirements for the applicant

The applicant must be able to ensure that:
  • All information submitted for application is correct;
  • Technology will be manufactured and installed as described;
  • Technology will perform as described.

Requirements for health effects and safety of technology

Concerns with health effects or safety may need to be addressed prior to EPA review of a technology for verification.

Regulatory Requirements

All applicable regulatory requirements remain in effect regardless of verification status.

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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