In the next section, the composition of cellulosic feedstock is
briefly discussed. In the third section, two major conversion
technologies or base technologies that are commonly used for
converting cellulosic feedstocks into ethanol namely hydrolysis and
thermochemical conversion are explained. An attempt has also been
made to capture the existing versions of both the base technologies. In
the fourth section, the adoption status of existing conversion
technologies is discussed to evaluate the current status of cellulosic
ethanol production. In the fifth section, economics in terms of unit
ethanol production cost of the existing conversion technologies is
discussed. In the sixth section, emerging trends in the technology
development and alternate uses of cellulosic biomass are discussed
and finally study is concluded in the seventh section.