The U.S. Department of Energy has demonstrated a 20,000 watt (20KW) wireless car-charging system that offers three times the efficiency of today’s plug-in systems for electric vehicles (EVs).
And all you have to do is park your vehicle on top of it.

The U.S. Department of Energy has demonstrated a 20,000 watt (20KW) wireless car-charging system that offers three times the efficiency of today’s plug-in systems for electric vehicles.
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Source: COMPUTER WORLD