Abstract: A panel has a first edge portion defining a first end of the panel, and a second edge portion defining a second end of the panel. The length of the panel is predetermined for the panel to reach across a vehicle chassis frame in an installed position in which the first edge portion rests on a side beam and the second edge portion rests on an opposite side beam. The panel further has a longitudinal rib. A first end of the rib is located adjacent to, and inboard of, the first edge portion. A second end of the rib is located adjacent to, and inboard of, the second edge portion.

Abstract: This disclosure relates to direct fill fueling systems and devices for filling and venting a tank. A direct fill fueling system can include the tank, a fill neck for receiving a nozzle, and a nozzle bounding member for setting an insertion depth of the nozzle received by the fill neck. The nozzle bounding member can include a stop that can be aligned with the opening of the fill neck and configured to obstruct the motion of the nozzle, when the nozzle is inserted into the fill neck. The nozzle bounding member can be provided as a tubular insert. The tubular insert can include the stop. The stop can include one or more locating slats positioned at an end of the tubular insert.