Compositions and processes are disclosed for removing sulfur and sulfur compounds from hydrocarbon fuel feedstocks. An average rolling resistance associated with one or more portions of the haul route is determined based on the rolling resistance of each of the at least one machine. The method further comprises the step of constructing a repair path for the repair address. The frame is coupled with the front frame. , an electric motor, to a device to be driven, e. The method includes: routing the call initiated by a user to a soft-switch; receiving by the soft-switch the call information the calling user sends; after determining that the calling user is a WAC user based on the calling number, the soft-switch determining the route to the called user based on the call information and completing the call.