Algae has seemed like a great biofuel candidate because it's extremely efficent at creating energy from sunlight and it could potentially form closed loops for power plants - absorbing exhaust while creating new fuel - but a recent study has knocked algae off its pedestal.
University of Virginia researchers have found that the life cycle of algal biofuel produces high levels of greenhouse gas emissions -- much more than it sequesters.
The culprit is the large amount of fertilizer used to produce the algae. The fertilizers come from petroleum-bases sources and emit nitrous oxide. The researchers propose using fertilizer from sewage plants as a way around the problem.
It looks like we're still far away from an ideal biofuel, if there is one.
via Yale e360
written by Alessandro Machi, January 26, 2010
written by David Herron, January 26, 2010
written by ManDrake, January 26, 2010
written by Casey Verdant, January 28, 2010
written by tida_hirohito, January 29, 2010
written by John for Recycling, January 30, 2010
written by anonymous, February 02, 2010
|< Prev||Next >|