automaticFastest: the service picks charging stops for the fastest journey. The default.manualFastest: the service plans no charging stops of its own; only stops you pass as
waypoints are charged at.automaticFastestWithFallbackToManual: automatic, falling back to manual when no chargeable
route exists.Requires vehicle.preferences.chargingPreferences to be set as well: the endpoint also needs a
minimum charge at the destination, which only the preferences supply.
How the routing service should plan charging stops on an electric route.