fˈɪɡjɚz kəmpˈaɪld ɪn ɐ tˈuː θˈaʊzənd sˈɛvən nˈæʃənəl dʒˌɪəɡɹˈæfɪk mˌæɡɐzˈiːn ˈɑːɹɾɪkəl pˈɔɪnt tə mˈɑːdɪst ɹɪzˈʌlts fɔːɹ kˈɔːɹn mˈeɪz ˈɛθɐnˌɑːl pɹədˈuːst ɪnðə jˌuːˈɛs: wˈʌn jˈuːnɪt ʌv ˈɛnɚdʒi ˈɪnpʊt ˈiːkwəlz wˈʌn.θɹˈiː ˈɛnɚdʒi jˈuːnɪts ʌv kˈɔːɹn ˈɛθɐnˌɑːl ˈɛnɚdʒi.
Figures compiled in a 2007 National Geographic Magazine article  point to modest results for corn (maize) ethanol produced in the US: 1 unit of energy input equals 1.3 energy units of corn ethanol energy.