The collapse of DEF (Diesel Exhaust Fluid) supply will devastate the trucking industry, which supplies everything else: food, consumer goods, auto parts and mor

In order to get food from farm to fork, and consumer goods of all kinds from factory to retail store, big-rig trucks must constantly traverse the country. What happens, though, when truckers can no longer get the diesel and diesel exhaust fluid (DEF) they need to keep their trucks running? This i