German performance specialist RUF Automobile GmbH did a little showing and telling of its own this week during the European Climate Change Conference (COP15) in Copenhagen, Denmark. While not part of the official COP15 agenda, RUF displayed its latest zero-emissions variation on a Porsche theme, the eRUF Cayenne Stormster. A follow-up to its original eRUF offering -- a 911 that was dubbed the "Greenster" when it was displayed at Geneva in 2008 -- the new Stormster gets its motivation from the same 367-horsepower Siemens electric motor used in its coupe kin. Here, it's teamed with an advanced Lithium-ion (Li-ion) battery pack from another German-based supplier, Li-Tec Battery GmbH. RUF says the 5,886-pound all-wheel-drive Stormster is capable of hitting 60 mph in about 10 seconds and will top out around 93 mph. What RUF claims is the world's first electrically powered SUV can travel up to 125 miles on a single charge of its Li-Tec battery, which has been specifically designed for automotive applications and incorporates high-capacity ceramic storage technology. Beyond supplying the Stormster's motor, Siemens also used it public unveiling to present its latest bit of EV-related charging hardware: the eCar-Station. This diminutive kiosk is capable of replenishing EV batteries using either of two different voltages at up to 16 amps and also can be fitted with a Siemens eCarD reader to facilitate the post-charge billing process.