Flammable Fluid; Hydrogen Properties And Potential Hazards - Honda FCX Manual

Emergency response guide fuel cell vehicle

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The FCX does not present any greater hazards than a

conventional gasoline-powered passenger car or any

other type of electric car. It performed well in front-,

offset-frontal-, side-, and rear-impact tests, with no

damage to any of the high-voltage or hydrogen

components.

Flammable Fluid

The only flammable fluid used by the FCX is

transmission oil. The capacity is 1.2 quarts (1.1 liters).

The hydrogen used in the FCX is a nontoxic and

odorless gas. Unlike gasoline and oil, it cannot spill and

it cannot harm humans, wildlife, or the environment.

However, like other fuels, hydrogen is both flammable

and explosive. Compared to gasoline, for example,

when mixed with air, hydrogen has a much higher and

wider range of flammability. Its explosive range is also

much higher and wider, as illustrated in the graph.

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