The Clean Vehicle Retrofit Accreditation Scheme

Funded directly by DEFRA and the Joint Air Quality Unit (JAQU), we’re providing ongoing support for this invaluable scheme that gives operators and local authorities a clear understanding of the retrofit technologies available to achieve CAZ standards. Together with Energy Saving Trust, we’re working closely with suppliers and users to continually develop, review and improve the  CVRAS scheme, ensuring it remains relevant and highly effective.

Full Project Brief (members only)

  • Regular review and assessment of the Scheme’s technical requirements and approval processes, with EST and JAQU (the client) together with a technical steering group of key stakeholders
  • Outreach via webinars and presentations
  • Ongoing development of the monitoring and enforcement processes to ensure retrofits continue to perform in service
  • Review and regularly report to JAQU
  • Event, report published and Press Release
  • Presentation to government
  • Presentation at third party conferences

An extension of previous years' CVRAS support work.  

April - September 2022 (further work anticipated, subject to funding). 

Rob Ward

Zemo Partnership Lead:
Rob Ward

Technical Consultant

Brian Robinson

Zemo Partnership Co-Lead:
Brian Robinson

Commercial Vehicle Emissions Consultant