Engineering & Materials Science
Energy security
100%
Fuel cells
70%
Hydrogen
63%
Electricity
32%
Feedstocks
9%
Costs
9%
Sustainable development
8%
Gases
8%
Carbon
7%
Terrorism
6%
Hydrogen production
5%
Heat generation
5%
Energy resources
5%
Hot Temperature
4%
Disasters
4%
Electric vehicles
4%
Natural gas
4%
Pipelines
3%
Heating
3%
Energy utilization
3%
Oils
3%
Industry
2%
Social Sciences
energy
54%
electricity
50%
Transport sector
23%
heat
18%
primary energy
16%
energy supply
13%
energy source
13%
costs
12%
efficiency
12%
sustainability
8%
scenario
8%
electric vehicle
8%
infrastructure
7%
demand
7%
heat pump
7%
energy consumption
6%
system model
6%
market
6%
diversification
5%
pricing
5%
natural gas
5%
natural disaster
5%
customer
4%
resources
4%
resilience
4%
terrorism
4%
flexibility
4%
threat
3%
industry
3%
time
1%
Chemistry
Electricity
46%
Hydrogen
40%
Energy
37%
Fuel
15%
Heat
10%
Pipeline
5%
Natural Gas
5%
Energy Consumption
5%
Gas
4%
Flexibility
3%
Industry
3%
Time
1%
Application
1%