isobutane

Audi and Global Bioenergies recently announced a milestone test for a renewable gasoline blend called “e-benzin” (e-gasoline) fuel containing isobutene-derived compounds produced by Global Bioenergies. Around 60 litres (15.9 gal) of the e-gasoline (essentially a liquid isooctane) were produced for Audi.  In the first step, Global Bioenergies produces the gaseous bio-isobutene in a demonstration plant…