A method for automatically adjusting control parameters of a transport refrigeration system (TRS) , the TRS comprising a transport refrigeration unit (TRU) including a control unit , a TRS genset including a power generator , a positioning device for sending real-time location and time information of the TRS to the control unit , and an emission control mechanism , the method comprising: determining, via the control unit , geographic data by comparing a real-time location and time information of the TRS received from the positioning device with predefined geographic region data , wherein the geographic data includes geographic region data of where the TRS is physically located and time data indicating a current time of day where the TRS is physically located; determining, via the control unit of the TRS, a set of control parameters for the power generator of the TRS correlated to the geographic data and time data; and running, via the control unit , the power generator of the TRS based on the set of control parameters, wherein the predefined geographic region data includes one or more noise or emission requirements for a particular location and time, characterized in that the method further comprises obtaining a preset operation mode, via the control unit , based on the set of control parameters correlated to both the current location and the current time, wherein the preset operation mode is one of: a high speed lockout operation mode, a low speed lockout operation mode, a maximum/minimum power limit mode, a mode that includes the control unit activating an emission-control mechanism to reduce emissions of the power generator of the TRS without lowering a horsepower of the power generator , and a mode that includes the control unit stopping operation of the power generator of the TRS . determining, via the control unit , geographic data by comparing a real-time location and time information of the TRS received from the positioning device with predefined geographic region data , wherein the geographic data includes geographic region data of where the TRS is physically located and time data indicating a current time of day where the TRS is physically located; determining, via the control unit of the TRS, a set of control parameters for the power generator of the TRS correlated to the geographic data and time data; and running, via the control unit , the power generator of the TRS based on the set of control parameters, wherein the predefined geographic region data includes one or more noise or emission requirements for a particular location and time, characterized in that the method further comprises obtaining a preset operation mode, via the control unit , based on the set of control parameters correlated to both the current location and the current time, wherein the preset operation mode is one of: a high speed lockout operation mode, a low speed lockout operation mode, a maximum/minimum power limit mode, a mode that includes the control unit activating an emission-control mechanism to reduce emissions of the power generator of the TRS without lowering a horsepower of the power generator , and a mode that includes the control unit stopping operation of the power generator of the TRS . a high speed lockout operation mode, a low speed lockout operation mode, a maximum/minimum power limit mode, a mode that includes the control unit activating an emission-control mechanism to reduce emissions of the power generator of the TRS without lowering a horsepower of the power generator , and a mode that includes the control unit stopping operation of the power generator of the TRS . <EOS>