Tokyo, Japan — In the wake of last year's soaring crude oil prices, coupled with a growing environmental awareness, the development of alternative energy sources is moving into high gear. Among next-generation energy sources, hydrogen is proving to be a favorite.Japan started selling the world's first household hydrogen fuel cell this year, and stands on the verge of selling fuel-cell vehicles. But there are still difficult challenges involving the manufacturing, storing and transporting of hydrogen. For these reasons, some experts say the advent of the hydrogen economy might be a pipedream.
Fossil fuels, which have been supporting modern civilization for over 100 years, contain two fatal flaws: they are not sustainable and they cause environmental pollution. In contrast, hydrogen can be manufactured even from water, and is clean with no harmful emissions.
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