There is a green push going on (surprisingly funded by the oil industry in the case of fuel cells). Although to call it green is laughable. Not until we start using renewable or nuclear energy will become green and even then it won't be very efficient at all and it will be very very expensive.
At the moment and probably for the next 5-10years the technology is not there to get real green cars on the road (the prius isn't green). Batteries are ridiculously expensive (£30k of the tesla is batteries) and take an overnight charge to get any sort of mileage. Fuel cells are even more expensive, require hydrogen (made using dirty electricity) but at least you can fill them up when you want. Oh and conveniently no one mentions that there is no substance that then cold hydrogen so it leaks. In theory you could leave your car for two weeks with a full tank and come back to an empty tank.
Anyway the trend for the manufacturers now is to downsize (smaller engines big turbos) and hybrids (be them parallel or series). And funnily ford and gm were two of the manufacturers making the moves towards this.
Odd though that Ford didn't want a handout.
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