Retrofit Technology

This page provides details on approved retrofit technologies under the Clean Vehicle Retrofit Accreditation Scheme, a government backed initative run by the Energy Saving Trust and supported by Zemo Partnership, for retrofit technologies that achieve Euro 6/VI emissions levels or better. Insight is also provided into national and local air quality policies and funding streams for retrofit solutions.

Quick Links

CVRAS Approved Retrofit Technologies & Suppliers

  • Selective Catalytic Reduction (SCR)
  • Euro VI Engine Repower (Heavy Duty)
  • Battery Electric Repower (Light & Heavy Duty)
  • LPG Repower / Conversion (Taxi)

UK Air Quality Policy

  • Clean Air Zones (England)
  • Low Emission Zones (Scotland)
  • Ultra-Low Emission Zone (London)
  • UK National and Local Funding for Retrofit

The latest list of approved retrofit technologies are available from the Energy Saving Trust website.

Zemo Partnership Lead: Andy Eastlake

Managing Director

Zemo Partnership Lead:
Dan Hayes

Project Manager, Bus Working Group