Friday, March 30, 2012

My Tweet: New developments to charging electric cars while driving on the highway




                  Todays' electric vehicles require to constanlty have to charge the engine due to their lack of ablitiy to sustain the energy over a long period of time. This has become hectic to some drivers more specifically, those who drive long distances and constanlty have to pull ofer to recharge. In order to drive long ranges, one must invest not only a large amount of money for a new engine, but also an engine that essentially takes up a lot of space. However, technology is now being created so that in the future, constant need to charge your car with a cable would be unnessesary. Suprisingly enough, engineers as well as Stanford students are tesing new ideas. One idea in particular is called resinant magnetic coupling. They have come up with two interface coils which would use magnetic electricity to attract eachother; thus transmitting energy. One coil would be built on highways, underground. The other coild would be at the bottom of the vehicle. The idea behind the two coils is that once the car drives over the coil thats on the highway, the coil underneath the car would use a magnetic field to attract to the other coil, and charge the car using electricity while it's moving. This eliminates the daunting feeling of having to pull over to charge your car every couple of miles. These coils would be located on the highway (or as they would soon call it an e-way) just about every mile. The entire concept is safe considering each coil is only activated when another coil is over it; unlike, a subway rail.
                  The cost for implementing these e-ways would costs somewhere around $800,000 dollars a mile. The costs is expected to go down once the coil design and electronics improve. However, compared to the cost and effects of oil on our environment, this may be a good investment for many drivers.





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