Manufacturing the batteries would probably benefit from solid state. The Panasonic battery plant in the exurbs of Kansas City, MO has had two evacuations this year from thermal issues related to lithium-ion battery production, including one yesterday morning. [0] [1]

[0]https://www.kmbc.com/article/lithium-ion-batteries-catch-fir...

[1]https://www.kmbc.com/article/panasonic-plant-de-soto-evacuat...