types and sizes of driving mechanisms and configurations thereof may be used in accordance with the present invention to selectively dispense target fluid for example with reference to fig3 and 4 two alternative embodiments of driving mechanisms are provided in fig3 a representative driving mechanism 60 is illustrated that includes motor 62 which is an example of an actuator and driving components 64 that provide a force onto a hydraulic coupler system similarly in fig4 a representative driving mechanism 70 is illustrated that includes motor 72 gear box 74 and driving components 76 thus driving mechanisms used in accordance with the present invention may be a direct drive mechanism may include one or more belts and or gears and or may utilize some type of transmission or gear change furthermore the drive mechanisms may be in line or indirect moreover any driving mechanism is contemplated so long as it permits the user to selectively choose the amount of force created i e displacement of driving component which acts upon hydraulic coupler 14 those skilled in the art will appreciate that embodiments of the present invention embrace a variety of different system configurations for example in one embodiment a dispensing system is configured in accordance with the present invention to manually dispense target fluid in another embodiment a dispensing system is configured to automatically dispense a volumetric amount.