After September 2015 https://tfl.gov.uk/modes/driving/ultra-low-emission-zone/cars?intcmp=54362
Thats right september 2015.
@billygoat8 started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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After September 2015
https://tfl.gov.uk/modes/driving/ultra-low-emission-zone/cars?intcmp=54362