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Monday, April 20, 2009
Ruf Porsche Electric
Image: © 2009 theirEarth.com

The 2010 Electric eRuf Porsche 'Greenster'

PFAFFENHAUSEN, GERMANY - From the Bavarian town of Pfaffenhausen in Germany, the name 'Ruf' has been associated with automotive excellence for over 60 years. In 1974, taking over from the steady progress of Alois Ruf Sr., his son Alois Ruf Jr. became the Director of the automotive business and began building a Porsche performance company that today has grown into an international organization called Ruf Automobile GmbH.

At the 2009 Top Marques International Supercar Show in Monaco last week (April 16-19, 2009), Ruf Automobile presented their all-electric eRuf Porsche 'Greenster', which is their zero emissions lithium ion battery powered performance Porsche, developed in association with Siemens Corporate Technology and GAIA Batteries of Germany. The eRuf Greenster is a fast car with a 0 to 100 km/h (62 mph) time of 5.0 seconds and has a top speed of 250 km/h (156 mph). The the early 2010 eRuf Greenster's will be available in a limited production run at a cost of approximately EUR 180,000.

At theirEarth we bring you the latest and greatest news and it was great to see the new technology that was incorporated into the eRuf Porsche Greenster. We'll try and post an article showing the rear engine bay of the car in a battery technology article later. The eRuf Greenster's drivetrain has been developed in conjunction with Siemens AG, and it is a mid-engine layout whose single electric motor produces 270 kW (362 hp) of peak power and a whopping 950 Nm of maximum torque.

For the transmission, Ruf and Siemens have developed a 2:1 reduction gear transmission with full forward and reverse gear selection, and the prototype that was on display in Monte-Carlo was all packaged neatly into a 2009 Porsche body with all of the Porsche luxury trim that buyers have become accustomed to, with the added benefit that this is an extremely fast zero emissions car. The eRuf Greenster on display at Top Marques had a Targa roof that could be removed and a rear opening soft top at the back, which virtually makes it an open top convertible when the hard top is removed.

The eRuf Porsche Greenster is powered by batteries developed by GAIA of Germany and the range is either 250 km (156 miles) on the base battery or 320 km (200 miles) with the larger optional battery pack. With the base battery, the eRuf Greenster weighs 1695 kg (3729 lbs). Ruf says that the eRuf Greenster Porsche is capable of being recharged in less than an hour of a 400 volt power source. As a technology partner to Ruf, Siemens AG is committed to electro-mobility and expects that electric transport technology will become a large contributor to their annual corporate revenue in the near-term future. 

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