There’s a definite air that progress in the self-driving ridesharing services realm involves throwing a lot of money at a wall and hoping some of it sticks. For all the talk of it being the future of mobility, public opinion remains wary, with academia now trying to show ridesharing’s environmental claims are bunkum. GM’s Cruise is only fueling this narrative, postponing the 2019 launch of its driverless taxi service, while Toyota has found another $600mn burning a hole in its pocket, and decided to stick it in Chinese ridesharer Didi Chuxing – the firm that chased Uber out of China. The Toyota deal is a bit complex, but that’s largely due to Chinese rules on private ownership. Toyota Motor Corporation…