October 1-2, 10 a.m-5 p.m., free
Santa Monica Civic Auditorium
1685 Main St, www.altcarexpo.com
This annual show features exhibits and panel discussions pertaining to alternative energy and transportation. See and learn about energy-saving cars, green energy sources, and even life with less automobile activity.
Banned Books Week Celebration
October 2, noon-4 p.m., free
Santa Monica Main Library
North Entry Courtyard
601 Santa Monica Blvd., 310.458.8600.
Join authors, actors, and community members as they read from famous books that have experienced censorship, along with a “Get Booked” photo booth where you can be snapped with your fave banned book, and music by the Remus Lupins, who will perform “Wizard Rock” in honor of the frequently banned Harry Potter books.