They're going to have to get there sooner or later, because many countries are already announcing phase-outs and bans of fossil fuel vehicles in the coming decades.

https://en.wikipedia.org/wiki/Phase-out_of_fossil_fuel_vehic...

And it's actually a general rule: in many cases incumbents tend to lag behind new players, not just in this case with fossil fuels. (They have a first-mover DISadvantage, if you will)

https://en.wikipedia.org/wiki/Law_of_the_handicap_of_a_head_...