A variable speed electric machine and a method for generating electric energy is provided. Generally speaking, a call center uses a mathematical function to derive a security code, and then sends an SMS message to a telematics-equipped vehicle that includes information related to the derived security code. A template, common to the software cases, autogenerate a first report in a first computing language, e. A method is also described for practicing the invention. The light emission control unit controls the light sources to emit the same color light in sequence based on a drive current value of a first and second light emitting devices and a light emission time of the light sources. The process can be used too for upgrading technical monoglycerides which contain free fatty acids.