Why not pre/post electric Lada of the 1980s and associated R&D?
https://www.reckontalk.com/electro-russian-tesla-first-elect...
The biggest manufacturer of electric cars worldwide is BYD
The biggest driver of sales (trough public policy) has been China and Europe, including things like announcing bans of ICE in city centers/cities:
https://www.wikiwand.com/en/Electric_car_use_by_country
Tesla started as a luxury brand (Roadster and then luxury sedans) and the only innovation they have managed is name recognition; even the adoption they have driven in the US has been mostly trough public policy like tax incentives.