Earth & Environmental Sciences
energy policy
41%
bioenergy
40%
transition
39%
consumption
37%
electricity
36%
fossil fuel
32%
energy
30%
carbon dioxide
28%
vehicle
28%
smart grid
26%
sustainability
26%
electric vehicle
23%
electrification
23%
road transport
22%
policy
21%
fuel consumption
21%
ecosystem
21%
production cost
20%
renewable energy source
20%
gasification
18%
energy efficiency
18%
anaerobic digestion
17%
emission reduction
17%
diesel
17%
alternative energy
16%
demand
15%
price
14%
low carbon economy
12%
resource efficiency
12%
energy market
12%
electricity consumption
11%
international organization
10%
government policy
10%
planning system
10%
climate change
10%
economics
10%
analysis
9%
energy production
9%
climate
8%
need
8%
participation
7%
analytical framework
7%
economy
7%
inertia
6%
rate
5%
innovation
5%
Engineering & Materials Science
Pulverized fuel
52%
Fossil fuels
47%
Energy policy
43%
Flue gases
37%
Wood
33%
Boilers
32%
Sustainable development
31%
Power plants
29%
Coal
29%
Electricity
26%
Carbon dioxide
22%
Gases
20%
Decarbonization
17%
Electric charge
17%
Electrostatic precipitators
16%
Anaerobic digestion
15%
Coal combustion
15%
Renewable energy resources
14%
Dilution
13%
Fuel burners
12%
Gasification
12%
Aviation
11%
Electron microscopes
11%
Particle size
11%
Trucks
11%
Cleaning
11%
Fuel consumption
11%
Climate change
9%
Energy resources
9%
Corrosion
9%
Sampling
8%
Chemical analysis
7%
Energy efficiency
7%
Carbon
6%
Economics
5%
Planning
5%
Industry
5%
Social Sciences
Finland
100%
electric vehicle
51%
road
41%
renewable energy
38%
Transport sector
32%
energy
30%
climate
28%
consumer price
18%
stakeholder
18%
Denmark
17%
production costs
16%
Norway
16%
Sweden
15%
Japan
13%
trend
13%
air traffic
12%
energy consumption
10%
China
10%
energy source
10%
industry
10%
neutrality
9%
utilization
9%
electricity
8%
scenario
8%
decentralization
8%
development policy
8%
literature
5%