公司希望在此之前能降低生物燃料的成本。
Before then the company hopes the cost of biofuel can be brought down.
这并不完全出自于全心全意的奉献精神：环保型引擎也需要更少的燃料，从而降低成本。
It is not just altruism: greener engines also use less fuel, and so cut costs.
这并不完全出自于全心全意的奉献精神：环保型引擎也需要更少的燃料，从而降低成本。
It is not just altruism: greener engines also use less fuel, and so cut costs.
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