WASHINGTON/DETROIT (Reuters) – Japanese air bag manufacturer Takata Corp (7312.T) is doubling a recall of potentially deadly air bags to nearly 34 million vehicles, creating the largest automotive recall in American history, U.S. safety regulators said on Tuesday. The recall involves passenger and driver-side air bag inflators in vehicles made by 11 automakers, the U.S. Department of Transportation, the National Highway Traffic Safety Administration and Takata said.