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FOI - Diesel buses compliance with the ULEZ [Aug 2023]

Key information

Request reference number: MGLA080823-3812

Date of response:

Summary of request

Your request 

Please state:

  • Exactly how older and new diesel buses in the inventory of Transport for London (TfL) now meet the compliance rules.
  • Full details of the engineering modifications of each type of bus in the inventory
  • How much it has cost for each type of vehicle and where did the money come from.
  • Full details of all other previously non-compliant vehicles that exist within TfL that have also been upgraded to now pass the Ultra Low Emission Zone (ULEZ) rules.

Our response

Since 2021, all of TfL’s buses have met or exceeded the latest Euro VI emissions standards, meaning they are compliant with the ULEZ standards.

The information you have requested is not held by the Greater London Authority. 

You may wish to send a further request to TfL at [email protected]

If you have any further questions relating to this matter, please contact me, quoting
reference MGLA080823-3812.

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