http://www.carsontheblog.com/2009/03/mercedes-benz-moving-consistently-into-a-clean-future-fleet-test-for-the-new-mercedes-benz-citaro-fuelcell-hybrid-bus/ All About Cars. Oldtimer and Classics. Car-Racing and Reparing. Wed, 30 Jun 2010 15:06:38 +0200 hourly 1 http://wordpress.org/?v=3.0