TECHNOLOGY reliable and connected network. In June 2026, TfL celebrated 3,000 zero-emission buses now in operation – around a third of the TfL fleet, and the largest zero-emission bus fleet in Western Europe.
Beyond buses, TfL is proving that decarbonising a complex transport network is not just about electric vehicles. At Therapia Lane tram depot, a retrofit has removed fossil fuel use from a 27-yearold building while improving working conditions and cutting annual emissions by 183 tonnes of carbon dioxide equivalent.
The project in Croydon is just one of the ways that the company keeping London moving is also leading the charge in sustainable transport.
Sustainability at scale TfL’ s sustainability work must be understood in the context of its scale. Alongside buses and the Tube, TfL operates roads and specialist transport, giving it both a large carbon footprint and a major opportunity to cut emissions. Plus, if London’ s network becomes cleaner while remaining reliable,
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