Regarding fuel cells, I was never able to tell. I remember I was excited when one laptop manufacturer announced a fuel cell-driven laptop, but the project got d

Regarding fuel cells, I was never able to tell. I remember I was excited when one laptop manufacturer announced a fuel cell-driven laptop, but the project got delayed (which fits your statement), and by the time it got to market, the laptop did not get any more lifetime out of the fuel cell than its battery driven competitors, while being a lot more expensive. Now that you mention it, there is a fuel cell-driven submarine, which of course caters to a market, where money is not quite as much of an issue. If the established car manufacturers were throw their weight (i.e. money) behind electric cars in a big way, they may indeed make Tesla eat their dust. But that is a big if. Large established companies tend to develop a kind of inertia that is almost impossible to counteract, unless the company faces an existential threat. I would be glad to be proven wrong, but I doubt the major German car manufacturers are currently in a position to overcome this type of inertia. Maybe, if the state enacted some laws/regulations to push the manufacturers in the direction of electrical cars, but given the number of jobs that depend on the car industry, again, I am doubtful.