| http://www.w3.org/ns/prov#value | - In subsequent years, MTBE proved to be heavily polluting, so it was banned and bioethanol returned to become one of the most attractive prospective solutions for reducing CO2 emissions.Another factor that helped to relaunch bioethanol was the growing awareness that we are nearing the so-called tipping point, i.e. the moment commonly indicated as the critical point of no return, when the curve of t
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