Commercial vehicle trailer, in particular semi-trailer, and commercial vehicle trailer assembly

The invention relates to a commercial vehicle trailer, in particular a semitrailer, with a braking system and with at least one gas tank, which can be fluidly connected via a gas line to a drive motor of a towing vehicle, wherein the gas line extends at least in sections along the commercial vehicle trailer. The invention is characterized in that the gas line is connected to an electrically actuable gas valve of the gas tank, which is electrically coupled to a power supply output of a brake control module of the braking system. The invention further relates to a commercial vehicle combination with such a commercial vehicle trailer.