ecofuel world tour

Rainer Zietlow's German company Challenge4 GmbH has spent the last few years driving immense distances in a Volkswagen Caddy EcoFuel powered by compressed natural gas (CNG). In 2006 and 2007, the vehicle went all the way around the world and also did a Eurasia crossing. The current journey is ...

Click on the image for a gallery of really sweet high-res images of the EcoFuel World Tour.Hoping to prove that compressed natural gas (CNG) is a completely feasible and more environmentally friendly substitute for petrol and diesel, Rainer Zietlow embarked on the EcoFuel World Tour. The goal of ...