Besides, since the energy surplus is high in the case of sugar-cane ethanol, conceivably part of that energy can be used to synthesize fertilizers and replenish soil depletion over a long time, therefore making the process indefinitely sustainable.
bᵻsˈaɪdz, sˈɪns ðɪ ˈɛnɚdʒi sˈɜːplʌs ɪz hˈaɪ ɪnðə kˈeɪs ʌv ʃˈʊɡɚkˈeɪn ˈɛθɐnˌɑːl, kənsˈiːvəbli pˈɑːɹt ʌv ðæt ˈɛnɚdʒi kæn biː jˈuːzd tə sˈɪnθəsˌaɪz fˈɜːɾəlˌaɪzɚz ænd ɹᵻplˈɛnɪʃ sˈɔɪl dᵻplˈiːʃən ˌoʊvɚɹ ɐ lˈɔŋ tˈaɪm, ðˈɛɹfoːɹ mˌeɪkɪŋ ðə pɹˈɑːsɛs ɪndˈɛfɪnətli səstˈeɪnəbəl.