Vehicle side door structure and method of making and using the same

A side door for a vehicle, comprising:

• a structure comprising
• a plastic inner shell comprising an inner shell fiber strip having greater than or equal to 50 wt.% fibers, based upon the total weight of the fibers in the strip, oriented in a direction with an angle of +45° to -45° to a main axis of the inner shell fiber strip, wherein the plastic inner shell comprises at least one of an inner shell support beam, an inner shell window frame, and an inner shell main body, that comprises the inner shell fiber strip;
• and
• a plastic outer shell comprising an outer shell support beam positioned across a width of the outer shell, wherein the outer shell support beam comprise an outer shell fiber strip having greater than or equal to 50 wt.% fibers based upon the total weight of the fibers in the strip, oriented in a direction with an angle of +45° to -45° to a main axis of the outer shell fiber strip;
• and
• wherein the side door has a score of at least 4 points in a side impact test conducted according to European New Car Assessment Protocol (Euro NCAP) Side Impact Testing Protocol Version 5.2 (November 2011).