Earth & Environmental Sciences
analysis
21%
bioenergy
90%
biomass
24%
carbon
46%
combustion
15%
cost
31%
credit
67%
diesel
38%
electricity
35%
energetics
18%
energy
9%
energy production
42%
fermentation
18%
flue gas
20%
fuel cell
22%
gasification
85%
greenhouse gas
17%
hydrogen
63%
liquid
24%
mitigation
31%
parameter
7%
purchase
44%
pyrolysis
36%
self sufficiency
26%
Engineering & Materials Science
Availability
14%
Biomass
36%
Carbon capture
100%
Costs
23%
Electric motors
22%
Electricity
29%
Fermentation
22%
Flue gases
21%
Fuel cells
18%
Gasification
82%
Gasoline
38%
Greenhouse gases
20%
Hydrogen
48%
Hydrogen fuels
25%
Liquid fuels
46%
Optimal systems
24%
Pyrolysis
38%
Chemical Compounds
Carbon Atom
38%
Electricity
45%
Energy
28%
Fermentation
19%
Flow
13%
Flue Gas
23%
Fuel
50%
Gasification
93%
Gasoline
43%
Hydrogen
41%
Liquid
22%
Pyrolysis
28%