大豆要用钱买，榨豆油也要钱。现在市场上豆油比柴油贵得多。再用豆油转化成生物柴油，感觉上成本是柴油的十倍以上。

来源: thore 于 2025-09-24 02:55:34 [旧帖] [给我悄悄话] 本文已被阅读：次

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