The hottest day of the year so far in London today – 30°C.

Boris Johnson has described his “New Routemaster” as having amazing new air conditioning .

TfL Commissioner Sir Peter Hendy has claimed that the new bus, when the cooling is working properly, is cooler than the equivalent latest ordinary bus .

TfL have recently stated The air cooling system on NRMs is now working effectively on virtually all vehicles in the fleet as verified by assurance checks carried out in early summer.

Can we, then, assume that the temperatures for passengers onboard the vehicles today were perfectly acceptable and exactly what could reasonably be expected from a bus touted as being designed for Londoners and the bus to the future?

Why not compare the tweets that follow with those from a year ago:

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