GE is promoting the smart grid with ads that show a scarecrow singing "If I only had a brain" from "The Wizard of Oz" while bouncing along an old power line.

通用电气公司正在推广智能电网，广告中有一个来自“绿野仙踪”的稻草人沿着一条旧电线蹦蹦跳跳并唱道“如果我有大脑”。

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And thanks to smart meters and other devices, they'll be able to have two-way conversations with the power plant.

由于智能仪表和其他设备的出现，这些企业和家庭将来可以和动能化的植物双向交流。

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Right now there are countless smart new ways to get energy that won't destroy the Earth, but they're not price competitive with cheap fossil fuel power because they lack economic scale.

现在并不缺少在保护地球同时又可以获得能源的好方法，但是由于资金缺乏，它们的价格与廉价的化石燃料相比没有什么竞争力。

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Also on the chopping block is PowerMeter, a free energy monitoring tool that pairs with smart power meters and other energy monitoring devices to help users better understand consumption habits and ultimately reduce costs.

ENGADGET: Google 'retires' Health and PowerMeter, lets you save your vitals through 2012

Both iLoud and iLoud MINI are also equipped with a high-performance Li-Ion rechargeable battery with smart power-management features that reduce its power consumption, making possible to go long periods without recharging, an important factor for mobile users.

ENGADGET: IK Multimedia outs iLoud and iLoud Mini speakers, supplies mobile jam sessions

More investment is flowing to technologies such as upgraded power grids with smart meters that allow users to better manage their consumption of electricity, and energy-efficient buildings that reduce the cost of operations and improve human health through better air quality.

FORBES: Smart Communities will Build Green Infrastructure