An adsorbed natural gas system, which aims to store, fill and use natural gas for natural-gas-driven-systems in motor vehicles, and comprising, - at least one adsorbed natural gas tank wherein the natural gas is stored, - at least one natural gas vacuum circuit which enables to discharge the natural gas from the adsorbed natural gas storage, - at least one natural gas filling circuit which enables to fill natural gas into the adsorbed natural gas tank, - at least one natural gas usage circuit which enables the natural gas to be delivered from the adsorbed natural gas tank to the engine in order to be used, - at least one water circuit which enables to control temperature of the adsorbed natural gas tank during usage and comprises; • at least one water line through which the engine coolant travels, • at least one radiator through which the coolant heated by the engine's temperature discharges the heat out of the vehicle, • at least one three way valve which, when the adsorbed natural gas tank is activated, enables the coolant to be delivered to the adsorbed natural gas tank in order to heat the adsorbed natural gas tank with the temperature of the engine, - sensors which control temperatures of the adsorbed natural gas tank and the water circuit, - at least one control unit which controls the operations of the system via the information received from the sensors and controls the concerned three way valve such that when the sensors detect that predetermined temperature values are reached, the control unit adjusts temperature of the adsorbed natural gas tank by controlling the three way valve. - at least one adsorbed natural gas tank wherein the natural gas is stored, - at least one natural gas vacuum circuit which enables to discharge the natural gas from the adsorbed natural gas storage, - at least one natural gas filling circuit which enables to fill natural gas into the adsorbed natural gas tank, - at least one natural gas usage circuit which enables the natural gas to be delivered from the adsorbed natural gas tank to the engine in order to be used, - at least one water circuit which enables to control temperature of the adsorbed natural gas tank during usage and comprises; • at least one water line through which the engine coolant travels, • at least one radiator through which the coolant heated by the engine's temperature discharges the heat out of the vehicle, • at least one three way valve which, when the adsorbed natural gas tank is activated, enables the coolant to be delivered to the adsorbed natural gas tank in order to heat the adsorbed natural gas tank with the temperature of the engine, • at least one water line through which the engine coolant travels, • at least one radiator through which the coolant heated by the engine's temperature discharges the heat out of the vehicle, • at least one three way valve which, when the adsorbed natural gas tank is activated, enables the coolant to be delivered to the adsorbed natural gas tank in order to heat the adsorbed natural gas tank with the temperature of the engine, - sensors which control temperatures of the adsorbed natural gas tank and the water circuit, - at least one control unit which controls the operations of the system via the information received from the sensors and controls the concerned three way valve such that when the sensors detect that predetermined temperature values are reached, the control unit adjusts temperature of the adsorbed natural gas tank by controlling the three way valve.