Tesla Motors' Supercharger Corridor, which runs from San Diego to Vancouver, is now open for business. It enables the Model S to quickly recharge for free at a variety of locations along the West Coast of North America. At least six of those locations are already installed, and Tesla says "more than 99 percent of Californians and 87 percent of Oregon and Washington owners are now within 200 miles of a Supercharger." Company head Elon Musk says the West Coast leg of the supercharger network is just the beginning: "East Coast Supercharger network should be complete in a few months." A handful of locations already exist in the Northeast. The newly opened West Coast network follows Interstate 5 and US Highway 101, enabling passage across long stretches for folks otherwise tethered to a wall charge. Two demonstration vehicles are taking a 1,750-mile journey from San Diego to Vancouver (read: a PR stunt) using solely Superchargers for power along the way.