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PHOTO CAPTION: Proterra electric bus charges inductively will stopped for passenger pickup.

'Online' EV Charging Gains Momentum

The World Economic Forum selects the Korea Advanced Institute of Science and Technology (KAIST) OLEV system as one of the world's ten most promising technologies for 2013.

Published: 23-Feb-2013

Electric vehicles continue to make inroads into American psyche and, indeed, across the global landscape. Media continues to be on the EV’s battery and namely its “failings” such as short range and long recharge time. While news agencies and the public wait on manufacturers to develop the “Next Big Thing” (i.e., batteries with a 200, 300, or 400 mile range), other groups are looking at the other end of the equation and figuring out ways to shorten the recharge time of batteries.

Wireless EV charging, or online electric vehicles (OLEV), may be that quick-charging technology. Using electromagnetic induction, OLEVs, coupled with more efficient vehicle batteries, may help EVs leap into mainstream use. How? In layman’s terms, OLEVs recharge their batteries without plugging into an outlet or charging station via a physical cable. Instead, special plates underneath the vehicle and its batteries use magnetism to literally “collect” electricity from power strips or cables buried underground.

The World Economic Forum has found it and OLEVs so effective that it recently selected the Korea Advanced Institute of Science and Technology (KAIST) OLEV among the world’s ten most promising technologies for 2013. The KAIST OLEV trams, for examples, recharge their batteries through electric cables buried up to seven inches under the road.

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