The CVRAS is a robust certification scheme for manufacturers of retrofit emissions reduction technology that will enable Clean Air Zone (CAZ) compliance of legacy fleet vehicles. This certification scheme supports the operation of Clean Air Zones and addresses the air pollution emissions from buses, coaches, heavy goods vehicles, mini-buses, taxis and vans.
This listing contains details of companies and their systems approved under the scheme requirements, along with their contact information (where available) and the categories of vehicle to which their systems can be applied in order to make the vehicle Clean Air Zone compliant.
Contact our Transport Certification team via email or call +44 (0)20 7222 0101 for more details.
Manufacturers of abatement equipment need to get their equipment accredited by the Energy Saving Trust before it can be added to the list of approved devices available to vehicle and Clean Air Zone (CAZ) scheme operators. This ensures that approved filters meet minimum technical standards and that vehicles fitting these approved emission reduction systems meet the national CAZ emissions standards.
Potential applicants should be aware that emission reduction systems and technologies will be required to demonstrate robust technical performance in order to be eligible for approval and manufacturers are required to operate quality management systems to certified standards, for example, ISO 9001. Please see the scheme documentation below for further details.
Speak with our Transport Certification team via email or call +44 (0)20 7222 0101 for more details.
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