No high pressure container. I should have been more specific about the "hidden contributor". It actually "Water", the only thing I am storing is 20 Oz of distilled water and 8 Oz. of distilled white vinegar. No Hydrogen is being stored, the lenght of time the hydrogen is store is the amount of time it will take it to disolved.
Your response clearly indicates the how mis-informed the general public is when it comes to addressing alternative fuel. In my personal inventory for motive of transportation, 2005 Z4, Hybrid, 2003 Town Car Hybrid, 2009 F-150 5.4 liter King Ranch Hybrid, 2005 Honda Accord Hybrid and close friends 2006 Scion tc hybrid, 2003 F-150 5.4 liter Hybrid, 2003 Turbo Jetta hybrid.