Business & Economics
Wastewater Treatment
100%
Fuel Cell
99%
Energy Efficiency
68%
Scenarios
46%
Payback
41%
Solar Collector
33%
Trajectory
32%
Combined Heat and Power
28%
Italy
26%
Biogas
25%
Costs
20%
Power Generation
20%
Integrated System
20%
Grid
19%
Electricity Price
19%
European Union
19%
Energy Saving
19%
Denmark
18%
Cost of Capital
18%
Slovak Republic
17%
Natural Gas
17%
Market Conditions
15%
Electricity
15%
Gas
14%
Energy
13%
Germany
12%
Integrated
10%
Economics
9%
Earth & Environmental Sciences
fuel cell
80%
energy efficiency
73%
wastewater treatment plant
65%
oxide
53%
cost
37%
electricity
31%
trajectory
28%
natural gas consumption
27%
combined heat and power
25%
solar collector
25%
market conditions
24%
electrical power
22%
exhaust gas
21%
digester
19%
energy saving
19%
power generation
18%
carbon emission
17%
biogas
17%
European Union
17%
wastewater treatment
15%
price
14%
economics
10%
analysis
9%
energy
8%
Engineering & Materials Science
Wastewater treatment
84%
Solid oxide fuel cells (SOFC)
77%
Energy efficiency
56%
Rankine cycle
42%
Costs
27%
Electricity
26%
Hot Temperature
25%
Trajectories
25%
Biogas
20%
Solar collectors
20%
European Union
20%
Exhaust gases
18%
Thermal energy
17%
Natural gas
15%
Power generation
15%
Energy conservation
14%
Carbon
13%
Economics
11%