For this assessment we used official data and technical coefficients provided by a very detailed and informative study published by the Sugar Cane Agro-industry Union (UNICA) in Brazil (De Carvalho Macedo, 2005). These data have been checked against the assessment of ethanol production from sugar cane in Brazil provided by Patzek and Pimentel (2005) and [...]
‘Energy’ indicates (in general terms) a given amount of energy, with no reference to time, and it is measured in joules. In energy analysis it can refer to a given amount of a primary energy source, or to a given amount of an energy carrier. ‘Power’, on the other hand, indicates the given pace of [...]