![](https://static.scientificamerican.com/sciam/cache/file/0A9120A8-3B5B-4183-A4CE8A677E98A0F7_agenda.jpg?w=275&h=154&fit=crop)
What It Would Take for Electric Vehicles to Help Power the Grid
A new bill in California proposes making electric vehicles a backup power source for the electric grid—an idea that has promise but has to overcome several technological hurdles, experts say...