Earth & Environmental Sciences
acidification
6%
alternative fuel
69%
anthropogenic greenhouse gas
25%
budget
22%
bulk carrier
81%
carbon
10%
cargo
31%
container ship
84%
cost
30%
decision process
9%
economic sector
70%
economic viability
22%
economics
47%
emission reduction
35%
energy
29%
energy consumption
6%
energy efficiency
18%
energy production
7%
environmental impact
15%
environmental performance
20%
exhaust emission
33%
expenditure
27%
global warming
11%
greenhouse gas
5%
greenhouse gas emissions
54%
hydrogen
15%
industry
25%
leadership
30%
life cycle
63%
liquefied natural gas
77%
literature review
18%
marine fuel
100%
marine gas oil
36%
maritime transportation
29%
market
39%
methanol
6%
ocean
47%
policy
37%
policy framework
23%
premium
9%
price
6%
public domain
35%
questionnaire survey
31%
regulation
19%
ship
87%
shipping
65%
simulation
11%
sulfur
5%
targeting
6%
vessel
39%
Engineering & Materials Science
Alternative fuels
30%
Barges
68%
Climate change
59%
Costs
10%
Decarbonization
38%
Economics
34%
Electricity
19%
Freight transportation
29%
Gas emissions
27%
Gas oils
29%
Greenhouse gases
27%
Hydrogen
43%
Industry
11%
Inland waterways
41%
Life cycle
46%
Pollution
25%
Propulsion
98%
Rotors
39%
Ships
66%
Agriculture & Biology
acidification
6%
biodiesel
6%
carbon dioxide
5%
energy use and consumption
7%
environmental impact
19%
fossils
7%
fuel oils
25%
global warming potential
19%
greenhouse gas emissions
7%
greenhouse gases
8%
hydrogen
18%
life cycle assessment
69%
liquefied natural gas
24%
methane
6%
methanol
5%
wind power
10%
