说他将延长生产税优惠(Production Tax Credit) 5年并鼓励诸如风能、太阳能和地热能等可再生能源的生产。
Says he would extend the production Tax Credit for five years to encourage the production of renewable energy like wind power, solar power and geothermal energy.
地热能有诸多优点：不产生二氧化碳，如果正确使用且持续可用的话地热能是可再生的。
Geothermal power has a lot of advantages: no CO2 emissions, renewable if used correctly and constantly available.
直至前不久，它自夸到地热能不同于风能、太阳能等这些可再生能源，地热能是一类跟煤、天然气甚至是核能一样的一种为基本负荷供电的资源，但是它不会产生温室气体也不需要为辐射担心。
Until recently, it has boasted that, unlike other renewables, such as wind or solar, it is a base-load resource similar to coal, gas or even nuclear, but without greenhouse gases or radiation fears.
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