You don’t have an account with Mastodon. You have a Mastodon account with sdf.org. Their mailing list that sent the email and the Mastodon instance they run are probably separate systems. You can forward your email to [email protected] and ask to be removed.
They’re building buses in California. I drive by this plant on occasion.
https://en.byd.com/news/byd-produces-400th-bus-in-lancaster