Tus nqi qis tshaj plaws ntawm ethanol hauv ntau qhov chaw hauv Suav teb tseem tab tom sib sau ua ke ntxiv. Txawm hais tias cov khoom siv pob kws tseem poob qis, qhov kev hloov pauv ntawm ethanol hauv Northeast Suav teb tau qeeb qeeb. Cov chaw tsim khoom ntseeg tias cov chaw tsim khoom uas txaus siab rov ua dua yuav pib rov ua dua cov khoom hauv lub lim tiam tom ntej. Kev poob qis ntawm cov chaw tsim khoom uas tsis txaus siab rov ua dua yuav tsis muaj lub ntsiab lus tseem ceeb hauv kev txhawb nqa kev yuav khoom hauv khw. Tus nqi ntawm ethanol hauv Henan tseem yuav tsum tau soj ntsuam ntxiv. Tseem muaj kev thov los ntawm sab qab teb sab hnub poob, tab sis cov chaw tsim khoom Henan tseem txaus siab tso tawm lawv cov khoom lag luam ua ntej Lub Caij Nplooj Ntoos Hlav. Cov nqi yuav tsum nyob ruaj khov hauv qee thaj chaw hnub no.