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Manufacturing methane gas using hydrogen and carbon dioxide to store surplus electricity
<div align="Photograph by OTANI Tatsuya
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<div align="Photograph by OTANI Tatsuya

Equipped with fuel tanks for gasoline and CNG" title="12egas_by_otani2" data-src="/galleries/images/000/104/548/medium/0f9b58c3-9fcf-4410-bb4c-de3d76960ce7.jpg">
<br />Two fuel gauges: one for gasoline, one for gas
Utilizing surplus energy by electrolyzing water to extract hydrogen
Conceptual diagram showing the generation of methane gas by adding carbon dioxide to the hydrogen from the previous photo
This is the case of using natural energy to charge cars like the A1
e-ethanol and e-diesel production plant
Model of the e-ethanol and e-diesel production plant, showing the logo of Joule, a research partnerPhotograph by OTANI Tatsuya
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From left to right:<br />e-ethanol (before extraction: ethanol is dissolved in water containing microorganisms)<br />e-diesel (before extraction: diesel fuel floats on water, making extraction easy)<br />Gasoline (sample of regular gasoline)<br />e-diesel (after extraction: almost odorless, unlike gasoline. Cetane number is around 100)Photograph by OTANI Tatsuya

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Engineers responsible for the e-fuel presentation: from left, Michael Kringer, Sandra Novak (responsible for e-ethanol and e-diesel), and Reinhold Otter (responsible for e-gas)Photograph by OTANI Tatsuya" title="28P9301960" data-src="/galleries/images/000/104/564/medium/16c9bb71-bccf-40a2-ae51-0943cd7256d9.jpg">

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Audi's Future Energy | Audi Gallery

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