Here's another design for an eco-friendly car, this one is by Spanish designer Edu Povarchik on this post on the design blog. The "citrus" is powered through hybrid motors that run on fuel cells and lithium ion batteries. The exterior is finished with polyurethane, recylced plastics, ecological leather, and aluminum. Parts of the car can also be removed and used as a multimedia center. For example, the seats inside can be re-arranged to create a trolley that holds and carries important business documents. There is also room to carry one bicycle inside and two outside. What do you think of the design?