Abstract: The invention relates to a mobile refrigerated vehicle comprising a refrigerated chamber housing for at least one refrigerated chamber contained therein, a tank for liquefied gas, an evaporator for the evaporation of the liquefied gas during the delivery of cold to the refrigerated chamber and an exhaust pipe for the evaporated gas, in conjunction with which the evaporator is arranged outside the refrigerated chamber; and a method for refrigerating a refrigerated chamber of a mobile refrigerated vehicle comprising the following process stages: removal of a liquefied gas from a tank and supply of the gas into an evaporator arranged outside the refrigerated chamber; removal of a flow of cooling air to be refrigerated from the refrigerated chamber, evaporation of the liquefied gas in the evaporator and utilization of at least one part of the cold content for the refrigeration of the flow of cooling air; introduction of the refrigerated flow of cooling air into the refrigerated chamber.