For years, using your car to power your house was something only a handful of trucks could do. That changed on October 6, 2026. Tesla turned on Powershare Home Backup for Model 3 and Model Y. Until now, only the Cybertruck could do it. If you live in New Jersey and you drive (or are about to buy) a Model 3 or Model Y, here's what this means for you. What Powershare does Powershare lets your car's battery send power back into your home during an outage. When the grid goes down, your home keeps...