Motor city motors on. Fiat chrysler says it will invest 1 billion in the United States as the Detroit Motor Show gets under way. Iron ore prices are set to plunge thats the message from the australian government, sending Mining Stocks down. Welcome to World Business report. Im sally bundock. Also in the programme The Boss Of Rolls Royce is here to tell us why luxury cars still have the edge. That is his view. We will talk to him ina that is his view. We will talk to him in a moment. But first over the next few days, the worlds car makers will be taking the wraps off their latest products at the Detroit Motor Show. The car seems more popular than ever an estimated 75 million were sold last year, but 2017 is already beginning to look like a big year of change for the industry. Not least because more of them are looking to invest in the United States. In the last few hours, Fiat Chrysler has said it will put 1 billion into two us factories, which will create 2000 newjobs. The incoming Pre