Could induction grids be the future for urban transportation?
The biggest drawbacks to electric cars both result from battery limitations: running the car at higher speeds (freeway, highway) drains the batteries too fast, range is lower than conventional cars, finding a public recharging station limits where and how you can drive. What if we had hybrid cars that had the ability of operating 100% electric at highway speeds with electricity provided through a public owned induction grid built into specially designated freeways in major urban centers. Yes, it would be expensive, but no more or maybe a lot less then building a public trasnportation system from scratch. Since the car is a hybrid, you would still have gasoline to fall back on when running off the grid. You could also build induction coils into specially designated public parking spaces to charge your car while you park, eliminating the need for construction of numerous recharging stations. Private business and retail centers would have the added economic incentive of selling electricity to customers/clientele while proudly displaying their "green-ness" to everyone else. Building an induction coil into your driveway or apartment parking lot would not be too hard, and would be a lot more convenient than "plugging in" every night when you come home - or experiencing the horror of waking up for work and realizing that you forget to charge your car. Simple electronic interrogation could be used to administer payment for the electricity used and could be tied to a credit card - pretty much how "toll tags" are currently used around the country.
Asked By: 3DM - 9/15/2007
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I think the next major nationwide project will actually be a water grid vs. transportation... More
Answered By: MissDeviance - 9/15/2007
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I must admit that I have problems with this concept but haven't attempted any sums. It is rather like the principle of a solenoid or an electric motor without the close tolerances between the stators and rotor assembly and I imagine very inefficient in electricity usuage. Also very large electromagnetic fields with... More
Answered By: Robert A - 9/15/2007
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