A spray apparatus for a vehicle, comprising: - an input unit; - a processing unit; and - at least one chemical spray unit; wherein, the input unit is configured to provide the processing unit with at least one image of an environment; wherein, the processing unit is configured to analyse the at least one image to activate the at least one chemical spray unit; wherein, the at least one chemical spray unit is configured to eject a liquid chemical; characterized in that the spray apparatus for a vehicle further comprises: - at least one air blower; - at least one air diverter; wherein, the at least one air blower is configured to blow air into a first downward directed air flow with respect to a fore-aft axis of a vehicle that is parallel to the ground; wherein, the at least one air diverter is configured to direct air moving as a consequence of movement of the vehicle into a second downward directed air flow with respect to the fore-aft axis of the vehicle; and wherein, a chemical spray unit of the at least one chemical spray unit is positioned relative to one or more air blowers of the at least one air blower and is positioned relative to one or more air diverters of the at least one air diverter such that the ejected liquid chemical is at least partially entrained within the first downward directed air flow and is at least partially entrained within the second downward directed air flow. - an input unit; - a processing unit; and - at least one chemical spray unit; wherein, the input unit is configured to provide the processing unit with at least one image of an environment; wherein, the processing unit is configured to analyse the at least one image to activate the at least one chemical spray unit; wherein, the at least one chemical spray unit is configured to eject a liquid chemical; characterized in that the spray apparatus for a vehicle further comprises: wherein, the input unit is configured to provide the processing unit with at least one image of an environment; wherein, the processing unit is configured to analyse the at least one image to activate the at least one chemical spray unit; wherein, the at least one chemical spray unit is configured to eject a liquid chemical; characterized in that the spray apparatus for a vehicle further comprises: - at least one air blower; - at least one air diverter; wherein, the at least one air blower is configured to blow air into a first downward directed air flow with respect to a fore-aft axis of a vehicle that is parallel to the ground; wherein, the at least one air diverter is configured to direct air moving as a consequence of movement of the vehicle into a second downward directed air flow with respect to the fore-aft axis of the vehicle; and wherein, a chemical spray unit of the at least one chemical spray unit is positioned relative to one or more air blowers of the at least one air blower and is positioned relative to one or more air diverters of the at least one air diverter such that the ejected liquid chemical is at least partially entrained within the first downward directed air flow and is at least partially entrained within the second downward directed air flow. wherein, the at least one air blower is configured to blow air into a first downward directed air flow with respect to a fore-aft axis of a vehicle that is parallel to the ground; wherein, the at least one air diverter is configured to direct air moving as a consequence of movement of the vehicle into a second downward directed air flow with respect to the fore-aft axis of the vehicle; and wherein, a chemical spray unit of the at least one chemical spray unit is positioned relative to one or more air blowers of the at least one air blower and is positioned relative to one or more air diverters of the at least one air diverter such that the ejected liquid chemical is at least partially entrained within the first downward directed air flow and is at least partially entrained within the second downward directed air flow.