Earth & Environmental Sciences
railway
100%
machinery
73%
environmental cost
64%
environmental impact
40%
recommendation
39%
fossil
38%
cost
27%
energy demand
22%
circular economy
22%
environmental indicator
21%
battery
21%
indicator
20%
emission factor
18%
valuation
18%
global warming
14%
life cycle
14%
mitigation
13%
construction work
13%
infrastructure
12%
steel
12%
diesel fuel
12%
fuel cell
11%
calculation
11%
methodology
10%
greenhouse gas emissions
9%
evaluation
8%
hydrogen
8%
world
6%
need
5%
energy
5%
Business & Economics
Turnout
76%
Environmental Impact
69%
Railway
54%
Costs
40%
Environmental Indicators
23%
Maintenance Strategy
22%
Life Cycle Assessment
22%
Pricing Scheme
20%
Valuation Model
20%
Circular Economy
19%
Global Warming
19%
Mitigation
17%
Steel
17%
Deviation
17%
Machinery
15%
Methodology
12%
Pricing
11%
Uncertainty
10%
Alternatives
9%
Evaluation
9%
Factors
6%
Engineering & Materials Science
Machinery
60%
Environmental impact
50%
Rails
44%
Wheels
42%
Wear of materials
38%
Propulsion
33%
Axles
24%
Costs
20%
Hydrogen fuels
16%
Emitter coupled logic circuits
14%
Concretes
14%
Diesel fuels
13%
Gas emissions
13%
Greenhouse gases
13%
Hardness
11%
Global warming
11%
Fuel cells
11%
Steel
10%
Life cycle
9%
Uncertainty
6%
Boundary conditions
5%