Earth & Environmental Sciences
liquefied natural gas
99%
ship
87%
shipping
76%
electric battery
60%
life cycle
56%
marine fuel
55%
sulfur oxide
45%
environmental impact
42%
fuel cell
38%
trend
37%
battery
35%
environmental protection
32%
engine
31%
diesel
27%
hydrogen
26%
vessel
26%
bulk carrier
25%
safety
24%
emission levels
20%
electricity
20%
energy
19%
stakeholder
19%
evaluation
16%
environmental indicator
15%
primary energy
14%
coal gasification
14%
speed
13%
methane
13%
global warming
13%
environmental performance
12%
low pressure
12%
environmental assessment
12%
power generation
11%
analysis
11%
energy source
11%
container ship
10%
gas
10%
coastal area
10%
environmental regulation
10%
environmental sustainability
9%
fossil
8%
acidification
8%
diesel fuel
8%
eutrophication
7%
risk assessment
7%
greenhouse gas
7%
regulatory framework
7%
policy
7%
Engineering & Materials Science
Liquefied natural gas
100%
Ships
87%
Freight transportation
77%
Life cycle
59%
Environmental impact
55%
Electric batteries
49%
Scrubbers
45%
Hydrogen fuels
42%
Environmental protection
39%
Dual fuel engines
36%
Sulfur
33%
Propulsion
31%
Steam reforming
31%
Fuel cells
30%
Oxides
29%
Coal gasification
21%
Electricity
16%
Marine industry
16%
Global warming
16%
Electric propulsion
14%
Gases
13%
Hydrogen economy
12%
Decision making
12%
Molten carbonate fuel cells (MCFC)
12%
Risk assessment
11%
Engines
11%
Electrolysis
10%
Power generation
9%
Electric power systems
9%
Hydrogen production
9%
Eutrophication
9%
Climate change
9%
Solid oxide fuel cells (SOFC)
9%
Diesel fuels
9%
Methanol
8%
Acidification
8%
Standardization
8%
Containers
8%
Curbs
7%
Environmental regulations
7%
Wind power
7%
Membranes
7%
Nitrogen oxides
6%
Air
6%
Greenhouse gases
5%
Trucks
5%
Sustainable development
5%
Business & Economics
Life Cycle Assessment
88%
Life Cycle
62%
Shipping
61%
Ship
60%
Hydrogen Fuel
58%
Fuel Cell
47%
Environmental Protection
33%
Environmental Impact
32%
Energy
26%
Methane
24%
Steam
20%
Maritime Policy
20%
Hydrogen
15%
Environmental Assessment
15%
Electricity Production
15%
Primary Energy
15%
Energy Sources
13%
Power Generation
13%
Environmental Benefits
13%
Grid
12%
Environmental Performance
10%
Asian Countries
10%
Gasification Process
10%
Scotland
10%
Acidification
10%
Eutrophication
9%
Electricity
9%
Coast
9%
Nitrogen Oxides
9%
Environmental Indicators
7%
Wind Energy
7%
Production Methods
7%
Regulatory Policy
6%
Greenhouse Gases
6%
Global Warming
6%
Climate Change
6%
Regulatory Framework
5%
Environmental Regulation
5%
Environmental Sustainability
5%
Pathway
5%
Policy Making
5%
Data Base
5%
Membrane
5%