Hi Gary... gabet123 ... had suggested to me that maybe an organization called the International HHO Institute could certify HHO equipment. I tried to send them an e-mail with no luck. In 2011 and 2012 I researched HHO with INA and RECOPE in Costa Rica and there is a real interest in the topic, the main problem we faced is that not one organization in Costa Rica can certify an HHO unit and we died there.
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