What is hydrogen currently used for?

The US produces and consumes ten million tons of hydrogen each year today. About two-thirds of it is used in oil refineries, and about a fifth of it is used to create ammonia for fertilizer production. It is also used in semiconductor manufacturing and a large number...

How is hydrogen transported?

Hydrogen can be transported in many ways that include: As a pressurized gas in truck- or rail-mounted tanks. In lower pressure metal hydride tanks. As a cryogenic liquid in insulated tanks. In pipelines. Combined with other molecules to make other liquids and gases...