Answer
Oct 01, 2024 - 10:43 AM
The 5 mph bumpers, mandated in the United States during the 1970s to minimize damage in low-speed collisions, were largely phased out in the 1980s due to regulatory changes. These changes allowed for less stringent standards, leading automakers to prioritize design and cost-efficiency over the robust impact resistance of the original 5 mph bumpers.
