Erd- und Umweltwissenschaften
railway
100%
machinery
83%
construction work
52%
fossil
49%
environmental cost
41%
environmental impact
26%
recommendation
25%
cost
17%
energy demand
14%
circular economy
14%
environmental indicator
13%
battery
13%
indicator
13%
emission factor
12%
valuation
11%
global warming
9%
life cycle
9%
mitigation
8%
infrastructure
8%
steel
8%
diesel fuel
7%
fuel cell
7%
calculation
7%
methodology
6%
greenhouse gas emissions
5%
evaluation
5%
hydrogen
5%
Gesellschaftswissenschaften
German Federal Railways
68%
environmental impact
31%
Transport sector
23%
pricing
22%
energy shortage
21%
costs
19%
life cycle assessment
17%
Environmental indicators
17%
Austrian Federal Railways
16%
alternative systems
16%
alternative technology
12%
uncertainty
8%
infrastructure
7%
research results
7%
economy
6%
cause
6%
energy
5%
methodology
5%
evaluation
5%
Betriebs- & Volkswirtschaft
Turnout
49%
Railway
33%
Environmental Impact
31%
Environmental Indicators
14%
Mitigation
14%
Maintenance Strategy
14%
Life Cycle Assessment
14%
Pricing Scheme
13%
Costs
12%
Valuation Model
12%
Circular Economy
12%
Global Warming
12%
Deviation
10%
Steel
10%
Machinery
10%
Uncertainty
9%
Pricing
7%
Evaluation
6%
Methodology
5%
Alternatives
5%