For how much longer?
[image credit: thecostaricanews.com]
Promoters of biofuel are running out of excuses for converting vast tracts of valuable farmland into fuel sources, as this Phys.org report shows. This non-solution to a debatable problem needs reviewing urgently.
A new study from University of Michigan researchers challenges the widely held assumption that biofuels such as ethanol and biodiesel are inherently carbon neutral.
Contrary to popular belief, the heat-trapping carbon dioxide gas emitted when biofuels are burned is not fully balanced by the CO2 uptake that occurs as the plants grow, according to a study by research professor John DeCicco and co-authors at the U-M Energy Institute.
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