Ford has announced that it is moving its self-driving portfolio into a separate division, called Ford Autonomous Vehicles. This wing will contain its $1bn Argo AI assets, and the parent plans to invest an additional $3bn more here. It’s a similar move to GM, which spun out Cruise and netted a $2.25bn investment from SoftBank, but in both cases, there’s a sense that the automakers want to be able to cut ties with these projects quickly, should things go south. On the one hand, this approach is a way for Ford to more easily segment its core business, which it already overhauling by moving focus away from conventional saloons and hatchbacks, and onto SUVs and trucks – its best performing…