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Text description for Figure 4.4.1: New Zealand’s aluminium production and emission data

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Carbon dioxide implied emission factor (t/t)

C2F6 implied emission factor (t/t)

CF4 implied emission factor (t/t)

1990

1.68

0.37

2.06

1991

1.65

0.18

1.02

1992

1.65

0.17

0.93

1993

1.68

0.10

0.64

1994

1.68

0.10

0.59

1995

1.60

0.08

0.45

1996

1.69

0.12

0.70

1997

1.61

0.08

0.45

1998

1.58

0.02

0.13

1999

1.62

0.03

0.16

2000

1.60

0.03

0.15

2001

1.58

0.03

0.16

2002

1.72

0.03

0.18

2003

1.68

0.04

0.23

2004

1.64

0.03

0.19

2005

1.63

0.02

0.15

2006

1.65

0.04

0.21

2007

1.64

0.02

0.10

 

 

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