WASHINGTON, Oct 26:
Biofuels made from algae, promoted by President Barack Obama as a possible way to help wean Americans off foreign oil, cannot be made now on a large scale without using unsustainable amounts of energy, water and fertilizer, the US National Research Council reported on Wednesday. “Faced with today’s technology, to scale up any more is going to put really big demands on … not only energy input, but water, land and the nutrients you need, like carbon dioxide, nitrate and phosphate,” said Jennie Hunter-Cevera, a microbial physiologist who headed the committee that wrote the report. (agencies)
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