HODINFO is a collaborative think tank/ open science initiative. We are an International group comprised of inventors, scientist, mechanics, tinkerers, fabricators, and out of the box thinkers. Our mission is to find innovative solutions to the problems that primarily limit the production and delivery of H2. As the world starts using hydrogen it becomes clear that immense infrastructure initiatives will be required to make it happen. If adequate solutions can be found to support Hydrogen-On-Demand (HOD) systems then the world can remove great and costly limitations on future applications. The future is not just Hydrogen, it's Hydrogen-on-Demand.

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DAN MERRICK's Discussions


Started this discussion. Last reply by martin clarke Nov 1, 2011. 3 Replies

Im working on a program chip to control the timing only through the knock sensor as soon as I have it finished Ill let you all in on the results i will retard on excell insted of advance.  This seems…Continue

hhhn vs hho

Started this discussion. Last reply by nasser321 Sep 1, 2017. 85 Replies

hhhn  is not only more powerful but it is also a volume increase the hydrogen seperates from the dipole nitrogen and any hydrogen that is free floating attach to nitrogen leaving the o2s to see just…Continue



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What is your HOD level of experience?
Expert builder


gadgetman groove

Posted on August 26, 2011 at 10:10pm 0 Comments

guys and gals I told you I was going to test the groove out and Im here to tell you It positively works as Ron says. I spent 2 days with him helping him do the groove and if your looking to get started  as a business give him a call and I can honestly say he wont let you down.The people that I worked on their cars all were pleased and if youve been doing hho only you know that is hard to please them all. This is my testimony as I said Id give. Come join the gadget man groove as Ron says… Continue

hho and hhhn fuel rally

Posted on July 1, 2011 at 9:44pm 0 Comments

Pecostwister is holding another fuel run rally October 7 and 8th 2011 at carlsbad new mexico .Were going to have first place best percent mileage increase will be 500 dollars and also pay 2nd and third. We are going to have seminars on hho tech. and fuel chemestry and the new ammonia tech. We are inviting anyone who can make it there are plenty of motels and things to see .I will be showing my newest fuel reformer and explaining how it works and what it works on. we will also have seminars on… Continue

Comment Wall (9 comments)

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At 4:52am on January 15, 2012, Grasack said…

Hi Dan

How are you going with your fuel reformer with HHHN. Any release date yet ??

At 11:45am on November 30, 2011, gabet123 said…

Your interaction number 45

At 6:55pm on August 10, 2011, Gerald Rowley said…

Hi Dan,  This Gerald thank you for the circuit.  It did not work correctly on my truck it left codes but I was able to move in another direction with your inspiration.  Thanks again. We are actively seeking trucks/tractors with Detroit Diesel Series engines in my neck of the woods, S.E. to Central Florida.  If you know any interested parties have them contact me at info@bestdieselsolutions.com


Again thanks.  We should all work together to move technology ahead.  Two heads are better than one. 

At 5:33am on August 9, 2011, Grasack said…

Thanks for the info Dan

Already have hydrogen only production so this could be really beneficial.

Have not heard of Anthony O'donnell but will google it to see more

At 6:13am on August 8, 2011, Grasack said…

Hi Dan

I was considering sending the engine fumes off my diesel through a mini catalytic convertor situated in the EGR tube and back into the airflow. This is to convert the fumes to a more usable fuel

Seeing how you have a lot of experience in this field I was wondering if this is at all feasable and worthwhile



At 9:25pm on May 26, 2011, Richard Keough said…

Welcome Dan: Great to have you aboard. Looking forward to your'e input.

 If this "Super Fuel" takes off like I believe it will I owe you "BIG". This goes on the record.


At 8:48pm on May 26, 2011, Pat Johnson said…
We're walking on each other. I make a comment and then you. I'll call you in a couple of days with a progress report. I have to change the electrolyte in the Nissan, as it was the first ammonia batch after using sodium hydroxide. I think I'll try to draw a few amps as the bubbles weren't near as plentiful as with sodium hydroxide. I ran out of time, so I didn't start the bench test. That will tell me more, and I do like a generator running on the bench, just to look at bubbles if nothing else.  Pat
At 8:37pm on May 26, 2011, Pat Johnson said…
Don't worry about the computer stuff. At least you're here. They were just looking for you in the chat room. Have to go out to dinner with the wife. Catch you later. Pat  
At 8:15pm on May 26, 2011, Pat Johnson said…
Welcome Dan. Thanks for all the help. Ran 50 miles today on Richards Keough's Super Fuel. I noticed that sweet spot that he mentioned. About 1600 -1700 rpm for the nissan. In the past I had to give more gas to get up to cruise, now it just ran up without touching the gas pedal. Kinda weird the first couple times, almost took my foot off the gas. You have discovered something outside that box that for sure. Pat   

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