小球燃料制造商在北美洲生产高级燃料- 所有产品都被归类为高级。

The B. C. Pellet Fuel Manufacturers produce the highest grade of fuel in North America - all of it is classified as premium grade.

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剩余产量应该来自于高级生物燃料。

The rest is supposed to come from advanced biofuels.

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其效果，该小组在最近的《高级材料》上所做的报道说，是将燃料电池的电量输出提高了50％。

The effect, which the group reported in a recent issue of Advanced Materials, was to boost the cell's electrical output by more than 50%.

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