Fitting a replacement, cleaner engine


vehicle engine

© Gregory Gerber -

For some long-life vehicles, replacing the existing engine with one that is of a higher emissions standard may be an option (also referred to as “repowering”). These vehicles might include:

  • specialist vehicles
  • high cost vehicles
  • coaches
  • buses

This may be particularly relevant if the engine needs replacing as part of the maintenance of the vehicle anyway.

To allow entry into a low emission zone, this change to your vehicles emissions will need to be certified. Different countries have different approaches to this. In some countries you may be able to have the change made on your vehicle registration papers, or provide other proof for the low emission zone authorities.

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