'COT - 'Car of Tomorrow' info: from an 2004 Totally NASCAR episode [was on Fox Sports Net, no longer on-air], a chart was posted with dome specs on the COT or Car of the Future: Greenhouse 2" higher and window opening 4" wider Center point of driver moved 4 1/2" to the right. Bumpers - front, raised; rear, lowered and one that is quite cool: LED Scoring on the car - shown in the side/rear window behind the driver.(8-28-2004)