FOI request detail

Bus emissions

Request ID: FOI-0877-2324
Date published: 06 July 2023

You asked
In 2017, Transport for London did a study and analysis on the introduction of CNG fuel in city buses in London, in which they also listed measurements of exhaust gases from a city bus that used diesel, biodiesel, CNG, biomethane as fuel. Please send me the results of the exhaust gas measurements for all four fuels that were used in the test to the e-mail from which I am writing to you. If you have any other exhaust gas measurements for city buses, please send them to me as well. Thank you very much for your answer and explanation

We answered

Our ref: FOI-0877-2324/GH

Thank you for your request received by Transport for London (TfL) on 20 June 2023 asking for information about bus emissions.

Your request has been considered under the requirements of the Environmental Information Regulations and our information access policy. I can confirm that we do hold the information you require.

Please see the following links to reports concerning emissions from our bus fleet:

https://data.london.gov.uk/dataset/london-atmospheric-emissions-inventory--laei--2019

https://tfl.gov.uk/info-for/media/press-releases/2021/january/london-s-buses-now-meet-ulez-emissions-standards-across-the-entire-city

If this is not the information you are looking for, or if you are unable to access it for some reason, please do not hesitate to contact me.

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

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