Apple shows ambition to get into self-driving car race

By David Shepardson WASHINGTON (Reuters) - Apple Inc is wading in to the debate over regulation of self-driving cars, declaring it is excited about the potential for automated transportation and calling on U.S. regulators not to restrict testing of such vehicles. A five-page letter from Steve Kenner, Apple's director of product integrity, to the National Highway Traffic Safety Administration is the company's most comprehensive statement yet about its interest in self-driving vehicle technology.