DETROIT, Aug 1: Ford Motor Co. announced on Tuesday that its total US vehicle sales plummeted by 34.2pc in July to 241,339 units as consumers were battered by skyrocketing fuel costs. Demand for Ford’s fuel-hungry trucks dropped a staggering 43.8pc to 151,944 units, while passenger car sales slumped 7pc to 89,395 units, according to a company statement.—AFP