Table 4 on page 2 of the report provides information on emission standards. As you can see from the wording under the table, as at 31st March 2022, all 8,795 buses in the fleet are to the equivalent of Euro VI emissions standard or better, and the fleet included 807 Zero Emission buses representing 9.18% of the total. The next audit report will be published in the summer.
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Yours sincerely,
David Wells FOI Case Officer FOI Case Management Team General Counsel Transport for London
