On a raised platform is the Plymouth Voyager III concept vehicle, created with separating front and back modular units. Three passengers could ride in the smaller car that was powered by a 1.6-liter propane-fuel engine. The 4-wheel rear section was equipped with a 2.2-liter 4-cylinder, and when the front and rear units were connected, there was room for 8-adults passengers. source: www.chicagoautoshow.com Engine & performance: Type: front…