Shenwu puts up the initial investment to install a heat exchanger that preheats the air going into the furnace, slashing the client's fuel costs.

申武投资初期安装了一个热交换器，将进入炉内的空气预热，降低了客户的燃料成本。

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One of the biggest obstacles is a lack of investment to develop materials that would work with this kind of fuel cell.

而困难之一就是缺乏资金以发明一种与此燃料电池相配合使用的材料。

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Fuel cells, which are quiet and clean, can run continuously, so companies can recover their investment more quickly.

燃料电池即安静又清洁，又可连续运行，所以企业很快可以收回成本。

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Many of the firms are listed in the City of London - the world's fossil fuel investment capital.

BBC: Firms 'own unburnable fossil fuels'

When it comes to the American auto industry, Mitt Romney believes its investment in a fuel-efficient future is a joke.

FORBES: Mitt Romney slams the Chevy Volt

Investors should also address the inherent risks in any fossil fuel investment.

FORBES: Fossil Fuel Divestment Is A Timely Issue For Investors