Trucking companies are facing tough operating conditions due to the Iran war and record diesel prices.

Credit: UnSplash / Tom Jackson In another sign of the economic damage brought on by President Donald Trump's war with Iran, a new investigation shows trucking company bankruptcies are spreading with at least five Texas firms filing in less than a month.

An investigation by industry magazine FreightWaves found that at least 16 U.S. trucking, delivery and transportation companies have entered bankruptcy proceedings since late August.