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Old 06-16-2009   #38 (permalink)
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Re: Electric car engineering issues

Quote:
Originally Posted by Roadam View Post
Thing with electrics is that you buy your mileage beforehand. With 63 cents/wh and about 2000 cycle life you get to about 7$ per 100 miles. Taken that you get 24kwh for 100 miles. 24kwh of electricity costs about 4$ at my place, so total is about 11$ per 100 miles. The diesel I am driving gets me around for about 10$/100 miles.
You aren't exactly comparing apples to apples though.
If you are going to add the cost of the battery to your calculations for an EV, you should also subtract the cost of maintanance you will avoid by using an EV over an ICE. Such as oil changes, spark plugs and most of any engine maintanance costs.
Also realize that the 'lifespan' for the batteries is defines when the batteries are reduced to a 75% range. So your 200 mile range would be cut to a 150 mile range, but the batteries still work.


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