Audi advances e-fuels technology
14 Mar 2018|1,140 views
In the case of synthetic Audi 'e-benzin' (e-gasoline), the Ingolstadt company has now achieved an important intermediate goal. Together with their development partners, they have for the first time produced a sufficient quantity of regeneratively produced fuel for initial engine tests.
Together with Global Bioenergies S.A. in Leuna, eastern Germany, the largest batch of e-gasoline ever produced - 60 litres - has been achieved.
"Like all Audi e-fuels, the new fuel has many advantages. It isn't dependent on crude oil, it is compatible with the existing infrastructure and it offers the prospect of a closed carbon cycle," said Reiner Mangold, Head of Sustainable Product Development at Audi AG.
Audi 'e-benzin' is essentially a liquid isooctane. It is currently produced from biomass in a two-step process. In the first step, Global Bioenergies produces gaseous isobutene (C4H8) in a demonstration plant.
In the second step, the Fraunhofer Center for Chemical Biotechnological Processes in Leuna uses additional hydrogen to transform it into isooctane (C8H18). The fuel is free of sulfur and benzene and is therefore especially low in pollutants when it burns.
Audi engineers are now examining the combustion and emission behavior of the renewable fuel in a test engine. As a high-purity synthetic fuel with very good anti-knock properties, Audi 'e-benzin' offers the possibility to further increase engine compression and thus boost efficiency.
Over the medium term, the project partners aim to modify the production process so that it will not require biomass - in this case, CO2 and hydrogen produced from renewable sources should be sufficient source materials.
In the case of synthetic Audi 'e-benzin' (e-gasoline), the Ingolstadt company has now achieved an important intermediate goal. Together with their development partners, they have for the first time produced a sufficient quantity of regeneratively produced fuel for initial engine tests.
Together with Global Bioenergies S.A. in Leuna, eastern Germany, the largest batch of e-gasoline ever produced - 60 litres - has been achieved.
"Like all Audi e-fuels, the new fuel has many advantages. It isn't dependent on crude oil, it is compatible with the existing infrastructure and it offers the prospect of a closed carbon cycle," said Reiner Mangold, Head of Sustainable Product Development at Audi AG.
Audi 'e-benzin' is essentially a liquid isooctane. It is currently produced from biomass in a two-step process. In the first step, Global Bioenergies produces gaseous isobutene (C4H8) in a demonstration plant.
In the second step, the Fraunhofer Center for Chemical Biotechnological Processes in Leuna uses additional hydrogen to transform it into isooctane (C8H18). The fuel is free of sulfur and benzene and is therefore especially low in pollutants when it burns.
Audi engineers are now examining the combustion and emission behavior of the renewable fuel in a test engine. As a high-purity synthetic fuel with very good anti-knock properties, Audi 'e-benzin' offers the possibility to further increase engine compression and thus boost efficiency.
Over the medium term, the project partners aim to modify the production process so that it will not require biomass - in this case, CO2 and hydrogen produced from renewable sources should be sufficient source materials.
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