Google Inc., operator of the world’s biggest search engine, named former Ford Motor Co. (F) Chief Executive Officer Alan Mulally to its board, gaining auto expertise in its quest to develop self-driving cars. Mulally, 68, who was appointed July 9, will serve on Google’s audit committee, the Mountain View, California-based company said in a statement yesterday. He’ll receive an initial grant of $1 million in Google stock, an annual equity award of $350,000 with a $75,000 cash retainer and reimbursement of expenses, Google said in a separate filing.