Change in C02 emissions by fuel,
gigatonnes of C02
Coal
Oil
Gas
2
1
0
-1
-2
1992
96
00
04
08
12
16
20
Change in C02 emissions by fuel, gigatonnes of C02
Coal
Oil
Gas
2
1
0
-1
-2
1990
92
94
96
98
00
02
04
06
08
10
12
14
16
18
20