Ford begins probe into whether gas mileage was overstated
By TOM KRISHER, AP Auto Writer DETROIT (AP) — Ford Motor Co. has launched an investigation into whether it overstated gas mileage and understated emissions from a wide range of vehicles. The company said Thursday that in September, a group of employees reported possible problems with a mathematical model used to calculate pollution and mileage, prompting the company to hire an outside firm to run tests.