1. A machine control system, comprising: a power source; an operator input device configured to allow selection of an economy mode; a work implement configured to accomplish a task; a pump driven by the power source to pressurize fluid to move the work implement; and a controller in communication with the power source and the operator input device, the controller being configured to: determine if the task currently performed by the work implement is a high power task or a low power task; and when the operator input device is set to the economy mode, allow the power source and the pump to operate at full capacity if the currently performed task is a high power task and limit the operation of the power source and the pump if the currently performed task is a low power task.