Abstract: Fuel dispenser (100) comprising: a fluid inlet (105IN) for receiving fuel from a fuel source, a fluid outlet (105OUT) and a conduit (110) disposed therebetween; inspection means (152) for inspecting the fuel within the conduit (110), the inspection means (152) being configured to provide an output indicative of a type of fuel in the conduit (110); valve means (120) operable selectively to prevent or allow flow of fluid through the conduit (110) from the fluid inlet (105IN) to the fluid outlet (105OUT); and control means (150) configured automatically to cause the valve means (120) to prevent or allow flow of fuel through the conduit (110) in dependence on the output of the fuel inspection means (152) and permitted fluid information, the permitted fluid information being information indicative of a type of fuel that is to be permitted to flow through the conduit (110), the apparatus (100) comprising an electrical generator (140) configured to generate electrical power to charge a charge storage device in respo