While (now fellow division mate) Audi decides whether or not to go ahead with an electric-powered R8 Roadster, it appears as if Porsche is considering the possibility. The RUF Greenster Electric 911 has came out, as well as spy shots testing, but does that mean it's a possible go for production? Apparently so. Here's what Porsche's new (Wiedeking is gone) CEO Michael Macht had to say: "I am also convinced that one day Porsche will have an electric sports car in its line-up," said Macht at the Porsche company's conference today in Frankfurt. He also said the current state of battery technology isn't "sufficient to meet Porsche's strict requirements," but that "our (Porsche's) engineers are already working hard on this challenge." "An electric sports car would therefore only