The authors call for the development of common global standards for sustainable production of biofuels. (sciencecodex.com)
While local production on a small scale of biofuels, like ethanol, can contribute to local energy sovereignty, the international market can completely destroy the opportunities for sustainable production. (ep.probeinternational.org)
However, there are major differences between their environmental and social footprints because of variations in sustainable production methods. (newhope.com)