Blue Crude Alternative Fuel TECHNOLOGY, TRANSPORT | April 27, 2015 Audi has created a diesel fuel by “using renewable energy to produce a liquid fuel from nothing more than water and carbon dioxide”. They’re calling it “blue crude”. More details on the process and history here and here. (via Source 1 and Source 2) Click to email a link to a friend (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on Pinterest (Opens in new window) Pinterest