oikos sustainability case collection This is an Online Inspection Copy. Protected under Copyright Law. Reproduction Forbidden unless Authorized. Copyright © 2004 INSEAD, Fontainebleau, France. All rights reserved. This is a draft version. The final case including teaching note can be ordered from INSEAD Fontainebleau. Please contact the author: Kai.hockerts@insead.edu. oikos sustainability case collection http://www.oikos-foundation.unisg.ch/homepage/case.htm oikos Sustainability Case Writing Competition 2003 1 st . Prize Mobility Car-Sharing (A) From Ecopreneurial Start-up to Commercial Venture Kai Hockerts INSEAD Fontainebleau Draft version