(http://media.il.edmunds-media.com/porsche/ns/porsche_r34_ns_21811_196.jpg) German tuner Ruf, in partnership with Siemens and the German Environmental Ministry, is rolling out a test fleet of 10 eRuf vehicles, based on the Porsche 911. The German tuner, well known across Europe for making fast Porsches go even faster, began turning its attention several years ago to making Porsches greener.
Source: Ruf Electrifies More Porsche 911s (http://www.insideline.com:80/porsche/911/ruf-electrifies-more-porsche-911s.html)