Geoscience Reference
In-Depth Information
(a)
100
Refrigerators
Central air
conditioning
Gas space heating
Electric water
heaters
90
80
70
60
50
40
30
20
10
0
Year
(b)
100
Colour TV
Telephone, fixed or mobile
90
80
Washing machine
70
60
VCR
Microwave
Tumbledryer
50
Central heating
40
CD player
Satellite/cable
30
Mono TV
20
Home PC
Dishwasher
10
0
1970
1975
1980
1985
1990
1995
2000
Year
Fig. 8.1
(a)Theimprovementsinenergyeiciencyofsomehouseholdelectricalequipmentbetween1972and1987.
Notethatthisdoesnotmean,forinstance,thatby1987refrigeratorswere90%eicient,ratherthattheir
typicaleiciencyhadimprovedby90%overtheireiciencyin1972.DatabasedonSchipperandHawk(1991).
(b)ProportionofUKhouseholdswithselectedappliances(OiceofNationalStatistics,2002).
Search WWH ::
Custom Search