The chief executive of Volkswagen apologized on Sunday for what he said was a breach of trust that resulted in the company’s being accused by the United States authorities of illegally installing software in its diesel-power cars to evade standards for reducing smog. “I personally am deeply sorry that we have broken the trust of our customers and the public,” Martin Winterkorn, the chief executive of the German automaker, said in a statement . The Environmental Protection Agency has ordered Volkswagen to recall nearly half a million vehicles, and the company could face billions of dollars in fines. Mr. Winterkorn said the company would “cooperate fully” with the authorities and order its own independent investigation into the accusations. In his statement, […]