Audi makes methane-like fuel from electricity and CO2
 

Way cool:

This E-Fuel Works Just Like Gasoline But Is Entirely Carbon Neutral

Now if they could figure out how to make ethanol or similar, then when solar cells become economical then they could be used to make alcohol which can be trucked around like gasoline.

no sense make

Hydrogen isn't exactly plentiful, on this planet anyways. As always, there's no free lunch.


https://www.miataturbo.net/attachmen...ine=1372300259

The process involves electrolyzing water.