TfL Ref: 2490-1920

Thank you for your request received by us on 17 November 2019 asking for information about CO2 emissions from various modes of public transport.

Your request has been considered in accordance with the requirements of the Environmental Information Regulations and our information access policy. I can confirm that we hold the information you require. You asked for:

average CO2 emissions per passenger kilometre in kilograms for each type of transport that is managed by TFL. Please can you include an example of how I can use this data in order to calculate the total amount of CO2 in kilograms that is emitted by a single passenger travelling X kilometre using Y type of transport. For example, how much CO2 is emitted is a single passenger travels along a bus route for 2 kilometres. It is very important that I receive the data, the metric used (including whether it is measured in tonnes, kilograms or grams) and the necessary details on how this information can be correctly used to calculate CO2 emissions per kilometre

We are committed to making London a greener and healthier city. For instance, all TfL buses operating in the Ultra Low Emission Zone (ULEZ) in central London meet or exceed Euro VI emission standards. Euro VI is the latest emission standard for vehicles reducing emissions of NOx by up to 95%. Buses operating in the area are made up of zero emission (at tail pipe) buses, new Euro VI standard buses, buses retrofitted to Euro VI standards and hybrid Euro VI standard buses.

Our growing fleet of greener buses now includes over 200 electric buses, and in 2020 all new single deck buses entering the fleet will be zero emission (at tailpipe). They will be a mix of hydrogen buses and electric buses. These buses will contribute to improving air quality and are also much quieter, with lower vibration levels for a more comfortable experience. Additionally, hybrid buses can reduce CO2 emissions by up to 30% when compared to a diesel bus. We have around 3,700 of these double deck hybrids buses and 220 pure electric buses in our fleet serving the capital.

To support the London Environment Strategy, we continue to reduce our carbon dioxide emissions and energy use.

Please see the attached table for the requested information:

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

Please see the attached information sheet for details of your right to appeal as well as information on copyright and what to do if you would like to re-use any of the information we have disclosed.

Yours sincerely

Jasmine Howard
FOI Case Officer
Information Governance
Transport For London