General Motors (GM) has made a bold move by selling off its Opel/Vauxhall auto business for $1.4bn to French manufacturer PSA – one that is expected to save the company billions of dollars by streamlining its business to slide more easily into the rising autonomous vehicle market. However, it is also a decision that will likely come at the cost of giving up its title as the world’s third largest auto manufacturer – for that, we commend it. The US auto firm has been losing cash hard and fast through Opel, an estimated $15bn worth over 16 years, so by selling off the European business, GM will not only make key savings, but it could also position itself to build…