Ford announced that it would begin testing replacement tires it has provided to Ford owners since the company's May 22 recall of millions of Firestone tires. This comes after Congressman Billy Tauzin (R-LA) suggested that Ford was replacing faulty Firestone tires with even more dangerous Goodyear Wrangler HT and General Grabber AP XL tires.

Tauzin's accusation came during a congressional hearing on the matter held earlier this week. Ford has been replacing Firestones equipped on its company's vehicles with tires made by Michelin, Continental, Goodyear, General, BF Goodrich and Uniroyal. Ford has replaced over one million tires since the May 22 announcement.

The news that Ford's replacement choices may be defective has safety experts and Ford drivers concerned. The company has not determined how it will proceed with testing.