Hydrogen gas , like any combustable gas , is classified hazardous by the federal government. Some of the raw material used as electrolytes , catalysts , and hydrogen sources to produce hydrogen may also be considered hazardous. There are special skills required to store , handle , and transport hazardous materials. It is important to meet and even exceed federal regulations to insure the safety of our fellow citizens. There are also special governmental rules. There are even specific placards that must meet DOT regulations for HazMat handling. N1R will need hazardous material experts to safely provide hydrogen energy to the USA.