Subject
emission
11
energy environment balance
10
Diesel engine
6
energy consumption
6
environmental impact
6
exhaust gas cleaning
6
greenhouse effect
5
renewable energy
5
carbon dioxide
4
carbon dioxide production
4
energy conservation
4
climatic change
3
energy
3
energy policy
3
sustainability
3
alkali metal
2
building
2
coal combustion
2
combined cycle power plant
2
economic aspect
2
electric vehicle
2
energy analysis
2
energy balance
2
energy planning
2
energy production
2
energy supply
2
environment
2
environmental policy
2
nuclear energy
2
radioactive waste disposal
2
solar cell
2
sustainable development
2
transport
2
Chernobylsk 4 reactor
1
agriculture
1
atmosphere
1
biomass energy production
1
building material
1
carbon capture
1
decision making
1
decontamination
1
earth
1
ecobalance
1
ecology
1
economy
1
electric power demand
1
electric power generation
1
emissions trading
1
energy cost
1
energy economics
1
more ...