The Obama administration wants to require electronic speed-limiting devices in big trucks and buses

The US Department of Transportation and the National Highway Traffic Safety Administration released a new proposal Friday to require heavy-duty vehicles like trucks and buses to include speed-limiting devices. If approved, all newly manufactured trucks, buses, and passenger vehicles weighing more than 26,000 pounds would be required to come equipped with devices limiting their speeds to 60–68 mph. That would cover big rigs, dump trucks, refuse haulers, many buses, and other large work truc