def METHOD_NAME(fl):
    """reads EPA state GHG inventory file
    depends on df_wide_to_long in utils
    """
    df = pd.read_csv(fl)
    firstColumnName = df.columns[0]
    filt = df[f"{firstColumnName}"] == 'Total'
    df = df.loc[filt]
    result = re.search(r"(.*)\sEmissions.*", firstColumnName)
    state = ''.join(result.groups())
    df = df.rename(columns={f"{firstColumnName}": "state"})
    df["state"] = f"{state}"
    df_long = df_wide_to_long(df=df,
                              value_name='total_emissions',
                              var_name="year")
    return df_long