Tesla’s solar roof is dead. Here’s what went wrong

Nearly a decade ago, Tesla introduced its solar roof, which was essentially a mini-power plant that happened to look like high-end shingles, fancy terracotta tiles or refined slate slabs. 

Now, the solar roof is dead. Tesla has scrubbed public-facing mentions of the product from its website. TechCrunch has confirmed that the solar roof URL now redirects to its generic solar landing page on…