Most biofuels are not 'green', researchers show
Monday, September 24, 2012 - 07:31
in Earth & Climate
(Phys.org)—First tops, then flops. That is one way of summing up the history of biofuels so far. A new study led by Empa gives an up-to-date picture of the ecobalance of various biofuels and their production processes. Only a few are overall more environmentally friendly than petrol.