Matt Bohlsen writes monthly summaries for the latest news in the EV and battery space as well as for lithium producers and other battery material producers. Highly recommended if you don't have time to browse the news everyday.
https://seekingalpha.com/article/4351096-ev-company-news-for-month-of-may-2020
from the article:
"BloombergNEF 2020 forecast for annual electric vehicle sales have just been released during May. They are: 10% share by 2025 (~9m pa)
28% share by 2030 (~24m pa)
58% share by 2040 (~54m pa)"
https://bnef.turtl.co/story/evo-2020/page/3/2?teaser=yes