Question

Why is hydrogen a good alternative fuel?

Answer 1

Explanation:

Hydrogen is considered an alternative fuel under the Energy Policy Act of 1992. The interest in hydrogen as an alternative transportation fuel stems from its ability to power fuel cells in zero-emission FCEVs, its potential for domestic production, its fast filling time, and the fuel cell's high efficiency.

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Answer 2

Explanation:

Hydrogen, like electricity, is an energy carrier that must be produced from another substance. ... However, hydrogen is useful as an energy source/fuel because it has a high energy content per unit of weight, which is why it is used as a rocket fuel and in fuel cells to produce electricity on some spacecraft.