I agree that it will be a slow process. But then, it was a slow process when civilization moved from the horse and buggy era to the new coal revolution which then moved slowly to the oil era. Each revolution begins rather innocently, then gathers momentum until it cannot be denied.
the only problem is that the petrol is grabbing the feet of humanity and keeping the progress/striding towards the clean energy slow
I agree that it will be a slow process. But then, it was a slow process when civilization moved from the horse and buggy era to the new coal revolution which then moved slowly to the oil era. Each revolution begins rather innocently, then gathers momentum until it cannot be denied.