Elon Musk: @BillyM2k 也许有一个可选的太阳能顶篷，可以延伸货车的两侧，使屋顶面积增加三倍

原推：@BillyM2k Maybe with an optional solar power canopy that extends both sides of the van, tripling roof area
https://twitter.com/elonmusk/status/1545102846995095552