NOVELTY - A platform comprises a truss frame including at least one frame chord (24, 26, and 48); legs (22) attached to the frame chord; and at least one assembly (11) mounted between the legs and the frame chord. The assembly includes an actuator (44) arranged to move the frame chord.    USE - As solar tracking platform (claimed) which is mounted on roof structures and useful to install roadside fueling stations.    ADVANTAGE - The platform spans long distances without mid-span penetration points; tracks the sun and yield maximum sun gathering capabilities on a daily basis; and adapts to new solar technology and reduces the number of solar panels required to obtain the maximum amount of sunlight produced each day. The platform is pre-assembled thus eliminate timely installation and easily mount to the most stable and structurally sound roof members with a minimum of disruption to roof penetrations, and easily removed and reinstalled for roof repair; is easily transported and installed at remote locations, reduces footprint size, hardware costs, and potential roof leaks; and is supplied in pre-assembled and packaged kits, and installed in large arrays, reducing man-hour labor costs. The platform is mounted on both East-West and North-South facing roof structures, or ground mounted on extreme sloped hillsides, rough ground locations and orientated in a complete vertical position. With the portability and ease of installation, these truss platforms allow solar power to be used in unique and creative ways. The increased efficiency resulting from the movable mounting results is sufficient extra electricity to be available beyond the needs of the station itself. This enables the solar tracking system to provide its extra energy to electric vehicles.    DETAILED DESCRIPTION - A platform comprises a truss frame including at least one frame chord (24, 26, and 48); legs (22) attached to the frame chord; and at least one assembly (11) mounted between the legs and the frame chord. The assembly includes an actuator (44) arranged to move the frame chord. The truss further comprises three frame chords, one top movable frame chord and two side frame chords arranged in parallel to the top frame chord and on opposite side of the top frame chord; or two of the frame chords arranged as a vertical mount standing upright parallel with the other chord, the other chord is a movable frame chord. The assembly comprises actuator cam arm (10), actuator, and mount to mount the actuator to the frame chord; a center end bearing and center truss plate connected to the frame chord; rotary joint; geared electromechanical motor. The platform further comprises moveable feet (30) attached to the legs; block assemblies arranged to allow attachment of at least one panel to the platform; and batteries arranged to store any surplus power. The power stored in the batteries is used to assist in actuating the platform. The actuator is powered by one of electric power, air pressure or hydraulic power. The platform further comprises a controller to control the actuator. The controller comprises a pre-programmed timer; and further comprises a microcontroller and a light sensor.    DESCRIPTION OF DRAWING(S) - The figure shows a solar panel tracking platform.    Actuator cam arm (10)    Assembly (11)    Support legs (22)    Frame chords (24, 26, and 48)    Web support (28)    Moveable feet (30)    Actuator (44)