ðə ɹˈeɪʃɪˌoʊ ʌvðɪ ˈɛnɚdʒi ɹᵻlˈiːst baɪ bˈɜːnɪŋ ðə ɹɪzˈʌltɪŋ ˈɛθɐnˌɑːl fjˈuːəl tə ðɪ ˈɛnɚdʒi jˈuːzd ɪnðə pɹˈɑːsɛs, ɪz nˈoʊn æz ðɪ ˈɛθɐnˌɑːl fjˈuːəl ˈɛnɚdʒi bˈæləns sˈʌmtaɪmz kˈɔːld "nˈɛt ˈɛnɚdʒi ɡˈeɪn"ænd stˈʌdid æz pˈɑːɹt ʌvðə wˈaɪdɚ fˈiːld ʌv ˈɛnɚdʒi ˌiːkənˈɑːmɪks.
The ratio of the energy released by burning the resulting ethanol fuel to the energy used in the process, is known as the ethanol fuel energy balance (sometimes called "Net energy gain") and studied as part of the wider field of energy economics.