1971-72 Pratt Urban Vehicle Prototype Trifold Brochure. A low polluting safety car designed and built by students at Pratt Institute, Brooklyn, N.Y. Special Features: TV camera rear view system, drunkometer, digital dash display, 5 MPH bumpers, emissions controls, padded roll cage, side bumpers, fire extinguisher, crush resistant battery case, and high lighting. Cost to product prototype $5,200. Cost to mass produce prototype (Estimated cost to consumer GM-UVDC estimate) ~$2,435.