Freight Bus Concept These could be in the form of bus or commercial vehicle manufacturers. Freight Bus is a proposal for an urban vehicle capable of carrying both passengers and freight which, combined with a new transport system-named On-Route, could reduce traffic congestion and pollution. It was created by designer Hugh Frost. the bus concept features an “Active Bumper” that provides a mechanical, airbag powered crumple zone on all sides. The Credo E-Bone concept bus is the brainchild of designer Peter Simon. The E-Bone is a zero-emission bus that generates power from a system of hydrogen fuel cells and lithium batteries. EcoFactor: Three different concept designs for future buses that aim toward a better public transport system along with incorporation of green features. Designed by Hugh Frost, Freight*BUS™ is an innovative new design that combines a passenger-carrying bus.