3 end use energy demand background this chapter provides in depth analyses of the carbon emissions reduction cases for four sectors residential commercial industrial and trans portation additional are included a number alternative including low high technology sensitivity which have most direct impacts on primary delivered consumption each reduced through combination switching to free or lower fuels reductions services increased efficiency latter two options total figure 25 electricity generation typically consumes about three times as much basis british thermal units btu is contained final consumers aeo98 1996 estimated at 70 4 quadrillion compared with 94 0 table difference comes from related transmission losses consequently relatively small sector where little consumed although price per generally more than
