For renewable diesel made from animal fat, fats are hydrogenated by reacting the tallow with hydrogen under high pressure at high temperature.

对于由动物油生成的可再生柴油来说，在高温高压下动物脂肪与氢气作用发生氢化反应。

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Instead, he says, the solution to large-scale hydrogen production lies in using renewable electricity to extract hydrogen from water via electrolysis.

相反他认为大规模生产氢的解决方案在于使用可更新的电通过电解方式从水中提取氢。

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The widespread introduction of hydrogen cars has long been a goal of some green campaigners, because eventually they allow transport fuel to be generated from renewable energy.

长久以来，氢动力汽车的广泛应用一直是一些环保主义者的目标，因为这最终使得交通燃料可以来自于可再生能源。

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The company vows to double its revenues from 17 clean-technology businesses, ranging from renewable energy and hydrogen fuel cells, to water filtration and purification systems, to cleaner aircraft and locomotive engines.

ECONOMIST: The greening of General Electric

Hydrogen produced from renewable resources is a promising source of clean energy, but the gas is difficult to handle and transport.

BBC: Hydrogen's energy promise improves

The energy storage system will produce hydrogen using excess power generated from renewable energy, primarily wind power.

FORBES: Connect