Even bio-diesel takes more steps & reactions to generate than this, and that stuff is pretty easy to process, relatively, from used oils. Suspicious....
Jon

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Larry Alofs
Sent: Thursday, July 09, 2015 3:26 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Solar for VANGONS?

Where did this information come from?  Do you have a link?
  It seems very unlikely without a lot of energy input from something.

Larry A.

On Thu, Jul 9, 2015 at 5:16 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
>