Korean KAIST engineers have dreamed up a wireless charging system for buses that offers 85% energy efficiency. This allows for smaller and cheaper batteries than are found in today’s electric vehicles. This technology is in testing in Gumi city along a 12km stretch of road. Buses are charged while they sit idle in traffic or at traffic lights (road to bus distance is less than one foot). This is not the first example of inductively charged public transportation, but the first in Korea.
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