| 11. | The student eventually developed a fuel cell that runs on animal waste.
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| 12. | Engineers are working on packing the pieces of the fuel cell tighter.
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| 13. | Much of this work centers on hydrogen storage and fuel cell technologies
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| 14. | Fuel cell cars use hydrogen as fuel and produce almost no pollution.
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| 15. | Every major automaker is working on some type of fuel cell vehicle.
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| 16. | Automakers are working on fuel cell cars, but significant hurdles remain.
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| 17. | Larger fuel cells tend to rely on propane or natural gas.
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| 18. | It has also participated in technological advancements associated with fuel cells.
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| 19. | The social benefits of fuel cells are too great to ignore.
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| 20. | Platinum is also used in jewelry, electronics parts and fuel cells.
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