We do need battery technologies. But we also need hydrogen and fuel cell technologies.

我们既需要生物燃料，也需要电池科技，同时，还需要氢能及燃料电池科技。

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Many vehicle manufacturers are actively researching and developing transportation fuel cell technologies.

许多的汽车制造商都在积极的研发车用燃料电池技术。

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Some developed countries consider hydrogen energy and fuel cell technologies the ideal solutions to future road transport energy, and make huge amount of investments in their research and development.

氢能和燃料电池技术被一些发达国家视为未来道路交通能源的理想解决方案，并投入巨资开展研发活动。

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The choice of electrolyte is a critical constraint that drives many of the choices fuel cell developers must make as they pursue more efficient fuel cell technologies.

FORBES: Salt Water Fuel Cells - Coming Soon?

Many fuel cell technologies are actually based on petrochemical substrates.

FORBES: Why "Green Fossils" Matter So Much To Africa's Energy Future

PEMs are one of the most promising fuel cell technologies.

BBC: Hydrogen's energy promise improves