I tracked this down:
http://www.americanrenewables.org/exh_list_and_product_search.cfm#D
(Click on Dutchman Enterprises)

I really don't know what to make of it.  They're claiming the
hydro/oxygen thing increases mileage at least 50%, typically 100%, this
is the thing that's available now.  Either revolutionary or BS.
Probably BS, of course....

Kenneth Wilford wrote:
> Of course this has Vanagon content because all of us want to get better
> fuel mileage so that we can justify keeping our beasts on the road.  I
> saw an ad in Popular Mechanics for a device that is supposed to
> revolutionize fuel saving so I had to have a look.  You can check it out
> here:
> http://www.preignitioncc.com/woj/
>
> If you believe what they are saying then we are going to see over 100
> mpg with regular gas and our waterboxer engines!  Another plus would be
> never having to change the oil!  It sounds to good to be true and
> usually that means it is.  What do you guys think?  I put in a quote
> request for my two Carat Vanagons just to see what would happen.  They
> sell two different devices.  One is the PICC and the other is a small
> tank that cracks water into hydrogen and oxygen and mixes it with the
> intake air.  The later is available now the former will not be available
> until March 5th.  If only it were true.
>
> Ken Wilford
> John 3:16
> www.vanagain.com
>