I wonder what the efficiency benefit will be, if any, of converting the natural gas to hydrogen and driving a fuel-cell car, compared to running a natural gas vehicle with the same amount of gas?
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When I see fuel cell batteries for laptops at the local computer store, I'll believe it is possible. But to think anyone would go for a car instead of laptops . . .
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The problem with fuel cell laptops would be scaling the fuel cells to a small enough size to be effective against lithium ion. Refilling would be effectively impossible, compared ot simply plugging it in overnight, and the cost of dong so is negligible. Even if the fuel cell provides longer running-time, it would still probably be cheaper to just carry a spare battery.
However, I think that fuel cell cars will have stiff competition to try to be more efficienct/cost effective than a decent plug-in hybrid vehicle.
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So... How come concept cars always have funky swooping windshields?
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Probably to reduce aerodynamic drag. However, that much glass surface-area would make for an extremely hot vehicle in the summer, and the extra air-conditioning load would probably offset a lot of the aero benefit.