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HFCs, PFCs and SF6
This part of the Danish inventory only comprises data for all sub-stances from
1995. From 1995 to 2000, there has been a continuous and substantial increase
in the contribution from F-gases as a whole, calculated as the sum of emissions
in CO2 equivalents (The Figure). This increase is simultaneous with the
increase in the emission of HFCs. For the time-series 2000-2004, the increase
has been
much lower than for the years 1995 to 2000. SF6 contributed considerably in
earlier years, with 52% in 1993. Environmental awareness and regula-tion of
this gas under Danish law has reduced its use in industry, with the result
that the contribution in 2004 was approximately 4%. The use of HFCs, and especially
HFC-134a as a major contributor to HFCs, has increased several fold. HFCs have,
therefore, become dominant F-gases, comprising 48% in 1993, but 94% in 2004.
HFC-134a is mainly used as a refrigerant. However, the the use of HFC-134a
as a refrigerant, as well as the use of other HFCs as refrigerants, is stable
or falling. This is due to Danish legislation, which, in 2007, forbids new
HFC-based refrigerant stationary systems. On the other hand, the use of air
conditioning in mobile systems is on the increase.
View background data of graph
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