Method for adjusting the temperature and/or the pressure of fuel in a plurality of pressurized containers (20, 40, 60) of a vehicle to a respective temperature setpoint and/or a respective pressure setpoint before a process of filling the pressurized containers (20, 40 60), comprising the following steps: extracting fuel from a first pressurized container, wherein the fuel in the first pressurized container has a first temperature and a first pressure, to bring the first temperature and/or the first pressure of the fuel closer to the temperature setpoint and/or to the pressure setpoint of the first pressurized container, and depending on the decision of a control unit, supplying the fuel extracted from the first pressurized container - to a fuel conversion device to power the vehicle, or - into a second pressurized container, wherein the fuel in the second pressurized container has a second temperature and a second pressure, to bring the second temperature and/or the second pressure of the fuel closer to the temperature setpoint and/or to the pressure setpoint of the second pressurized container, wherein the temperature setpoints and/or the pressure setpoints of the pressurized containers (20, 40, 60) are determined in such a way that, without exceeding the respective maximum operating pressure and the respective maximum operating temperature of the respective pressurized container (20, 40, 60), the amount of fuel introduced from a single filling source by a process of filling the pressurized containers (20, 40, 60) which is carried out at the same time and for the same length of time is as high as possible. extracting fuel from a first pressurized container, wherein the fuel in the first pressurized container has a first temperature and a first pressure, to bring the first temperature and/or the first pressure of the fuel closer to the temperature setpoint and/or to the pressure setpoint of the first pressurized container, and depending on the decision of a control unit, supplying the fuel extracted from the first pressurized container - to a fuel conversion device to power the vehicle, or - into a second pressurized container, wherein the fuel in the second pressurized container has a second temperature and a second pressure, to bring the second temperature and/or the second pressure of the fuel closer to the temperature setpoint and/or to the pressure setpoint of the second pressurized container, wherein the temperature setpoints and/or the pressure setpoints of the pressurized containers (20, 40, 60) are determined in such a way that, without exceeding the respective maximum operating pressure and the respective maximum operating temperature of the respective pressurized container (20, 40, 60), the amount of fuel introduced from a single filling source by a process of filling the pressurized containers (20, 40, 60) which is carried out at the same time and for the same length of time is as high as possible. - to a fuel conversion device to power the vehicle, or - into a second pressurized container, wherein the fuel in the second pressurized container has a second temperature and a second pressure, to bring the second temperature and/or the second pressure of the fuel closer to the temperature setpoint and/or to the pressure setpoint of the second pressurized container, wherein the temperature setpoints and/or the pressure setpoints of the pressurized containers (20, 40, 60) are determined in such a way that, without exceeding the respective maximum operating pressure and the respective maximum operating temperature of the respective pressurized container (20, 40, 60), the amount of fuel introduced from a single filling source by a process of filling the pressurized containers (20, 40, 60) which is carried out at the same time and for the same length of time is as high as possible.