ɐ tˈuː θˈaʊzənd ˈeɪt stˈʌdi baɪ ðə jˌuːnɪvˈɜːsᵻɾi ʌv nəbɹˈæskə fˈaʊnd ɐ fˈaɪv.fˈoːɹ ˈɛnɚdʒi bˈæləns fɔːɹ ˈɛθɐnˌɑːl dᵻɹˈaɪvd spəsˈɪfɪkli fɹʌm swˈɪtʃɡɹæs.
A 2008 study by the University of Nebraska found a 5.4 energy balance for ethanol derived specifically from switchgrass.