Years in the making, Elon Musk's Tesla Diner is finally open! Discover how this retro-futuristic diner and drive-in at a Supercharger fulfills an early promise.

But there are more budget-conscious solutions out there, including swapping in a higher-capacity pack from a newer car. That’s what Alex from Out of Spec Renew did to his 2015 Tesla Model S, which ...