The federal government regulates bumper heights of cars, stating that they must be between 16 and 20 inches above the road surface. (automobilemag.com)
The front frame spread the load over the front crash structures to ensure the CR - Z gives maximum protection in impacts with vehicles of different bumper heights. (thetorquereport.com)
The easiest way to ensure that the car meets bumper height and impact absorption regulations would be to incorporate bumpers into the body. (articles.orlandosentinel.com)