Sugarcane ethanol: Contributions to climate change - BAFF

Chapter 5
in research and development the speed of this dissemination is increasing signi�cantly
from previous decades.
�is chapter addresses the following:
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•
•
•
Liter of ethanol/ton of cane
80
70
60
50
40
30
75/76
77/78
79/80
81/82
83/84
productivity gain = 2.8% CA GR
85/86
87/88
Figure 2. Evolution of productivity of Brazilian ethanol. Source: Itaú Corretora (2007).
89/90
the Brazilian environmental legal frameworks;
key environmental indicators: carbon, water, soil, agrochemicals, biodiversity, air and
by-products;
di�erent biofuels certi�cations regimes and compliance;
the future steps and the role of innovation.
116 Sugarcane ethanol
91/92
93/94
liter of ethanol/ton of cane (LHS)
ton of cane/ha (LHS)
Table 2. Future projections of ethanol production in Brazil.
95/96
97/98
99/00
01/02
03/04
80
70
60
50
40
30
Ton of cane/ha
2007/08 2015/16 2020/21
Sugarcane Production (M-ton) 493 829 1,038
Area (M-ha) 7.8 11.4 13.9
Sugar (M-ton) 30.8 41.3 45
Internal 12.2 11.4 12.1
Export 18.6 29.9 32.9
Ethanol (B-liters) 22.5 46.9 65.3
Internal 18.9 34.6 49.6
Export 3.6 12.3 15.7
Bioelectricity (GW average) 1.8 11.5 14.4
Source: Unica (2008).