It’s being widely reported that the King’s Cross - Honor Oak route 63 bus fleet is being replaced by ultra-modern vehicles with experimental features for passengers.
South London based transport enthusiast Ian Visits has a good overview of the new buses, and also details the charging infrastructure required at the depots, rows of 150KW chargers that can give a bus a day’s charge (150-170 miles) in 3 hours.
See the full article for a description of the new features with plenty of pictures: