Envision Racing’s Sébastien Buemi delivered a stellar performance over the weekend, securing a podium finish on Saturday and a solid 4th place on Sunday, in the season-ending London E-Prix double-header. Day 1: Buemi Back on the Podium Sébastien Buemi marked his return to the podium with a 3rd place finish in the first race of the London E-Prix double-header. The former champion qualified 2nd after an intense…