Google for German Solar Diesel. There are numerous links to articles about
this! Even AUDI as gotten in to the act.

John
On Jul 9, 2015 4:16 PM, "John Rodgers" <jrodgers113@gmail.com> wrote:

> Recently, the Germans have developed a solar system to convert water and
> CO2 to 80 liters of diesel fuel per day. If you have a diesel van this
> could be a real boon. Thats approximately 20 gallons of diesel fuel per
> day! Given the additional mileage you get with a diesel the could be a
> wallet saver. You could run around a week on one days solar production,
> building a daily reserve of 20 gallons a day. By weeks end there would be
> enough for a serious trip and other things. Anyone looked into this?
>
> John
>