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Stylized Text: Hydrogen Basics - Delivery.

Picture of a Home energy station prototype that produces hydrogen from natural gas.
Home energy station prototype that
produces hydrogen from natural gas
while supplying electricity and hot
water to the home. Torrance, CA
(Photo: Honda R&D Co, Ltd)

Safety and handling are the two main issues with hydrogen delivery and use. Because hydrogen is such a light gas, it escapes readily, making its transportation and handling more difficult than natural gas. Hydrogen also has a wider flammability range than natural gas in air, making it potentially more hazardous. And when hydrogen burns there is no color - the flame is invisible. Improved sensing devices will need to be developed and building codes adjusted to address these challenges. (See also Safety.)