Our ref: FOI-0031-2122/GH Thank you for your request received by Transport for London (TfL) on 5 April 2021 asking for a breakdown of the current licensed taxi fleet by emission type. Your request has been considered under the requirements of the Freedom of Information Act 2000 and our information access policy. I can confirm that we do hold the information you require - please see the table below. The data is correct as of 1 March 2021 when we last compiled this information. Taxi fleet emission standards as of 1 March 2021 Euro 2 5 Euro 3 608 Euro 4 2,982 Euro 5 3,518 Euro 6/ZEC 6,547 Total 13,660 Please note, the table doesn’t account for vehicles that have been converted to LPG as we have determined the Euro standard based on the DVLA registration date. If this is not the information you are looking for, please do not hesitate to contact me. If you are considering submitting a further FOI request please think carefully about whether the request is essential at this current time, as answering FOI requests will require the use of limited resources and the attention of staff who could be supporting other essential activity. Where requests are made, please note that our response time may be impacted by the current situation. If you are not satisfied with this response please see the attached information sheet for details of your right to appeal. Yours sincerely Graham Hurt FOI Case Officer FOI Case Management Team General Counsel Transport for London