Most top executives at German automotive giant Volkswagen can no longer order luxury Porsche sports cars as their company provided vehicles, as part of a cost-saving effort at the company. The policy change was implemented at the beginning of the year, a Volkswagen spokesman told dpa on Sunday. According to information obtained by dpa, the policy change affects around 200 managers at the company. Only Volkswagen Group board members and executives at Porsche itself – a subsidiary of Volkswagen – will be able to drive Porsche sports cars as their company cars, the Bild newspaper reported. Howeve…