大豆要用錢買，榨豆油也要錢。現在市場上豆油比柴油貴得多。再用豆油轉化成生物柴油，感覺上成本是柴油的十倍以上。

來源: thore 於 2025-09-24 02:55:34 [舊帖] [給我悄悄話] 本文已被閱讀：次

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