Waste wood and straw can be burned for heating, while grains, such as corn and wheat, can be fermented into ethanol and used as a fuel for automobiles.
(Waste wood and straw; can be burned; for heating) (grains, such as corn and wheat; can be fermented; into ethanol) (grains, such as corn and wheat; used; as a fuel for automobiles)
Waste wood and straw grains, such as corn and wheat grains, such as corn and wheat
can be burned can be fermented used
for heating
into ethanol
as a fuel for automobiles