Although making dilute ethanol from corn is quite simple--similar to brewing beer--this ethanol is only about 30 percent alcohol compared to the ethanol used for transportation fuel which must be over 90 percent alcohol.
(transportation fuel; must be; over 90 percent alcohol) (making dilute ethanol from corn; is; quite simple--similar to brewing beer) (this ethanol; is; only about 30 percent alcohol) (the ethanol; used; for transportation fuel)
transportation fuel making dilute ethanol from corn this ethanol the ethanol
must be is is used
over 90 percent alcohol
quite simple--similar to brewing beer
only about 30 percent alcohol
for transportation fuel