Environmental Engineering Reference
In-Depth Information
Million US$ (2002 prices and exchange rates)
250
200
150
100
50
0
Geothermal
Biomass
Wind
Solar Thermal-Electric
Solar Photo-Electric
Solar Heating & Cooling
Figure 9.4
. Japanese Investment in Renewable Technologies, 1975-2001
Source
: IEA. 2004. Renewable Energy: Market and Policy Trends in IEA Countries, edited by I. E.
Agency: International Energy Agency.
Million US$ (2002 prices and exchange rates)
4000
3500
3000
2500
2000
1500
1000
500
0
Total Other Tech./Research
Total Power & Storage Tech.
Total Nuclear Fission/Fusion
Total Renewable Energy
Total Fossil Fuels
Total Convervation
Figure 9.5
. Total Government R&D Expenditure in Energy Technologies, 1973-2001
Source
: IEA. 2004.
Renewable Energy: Market and Policy Trends in IEA Countries
, edited by I. E. Agency: International
Energy Agency.
