sentences:  A network of Tesla Supercharger stations was supposed to support both battery pack swaps for the Model S, along with the more-widespread fast charging capability for both the Model S and the Tesla Roadster.However, Tesla has abandoned their battery swap initiatives in favor of rapidly expanding fast-charging stations.This decision has driven Tesla to be a market-leader in fast charging stations, amounting to 1,210 stations worldwide, as of April 2018.