Engineering & Materials Science
Biofuels
100%
Feedstocks
71%
Economics
69%
Biomass
65%
Carbon
44%
Natural gas
36%
Land use
30%
Costs
27%
Crops
27%
Ethanol
23%
Fueling
21%
Gasoline
20%
Hydrogen
20%
Hydrogen economy
18%
Sustainable development
17%
Forestry
16%
Wastewater treatment
14%
Soil moisture
14%
Alternative fuels
14%
Ecosystems
14%
Economic analysis
13%
Lignocellulosic biomass
12%
Refining
12%
Jet fuel
12%
Agricultural wastes
11%
Electric vehicles
11%
Electric power distribution
11%
Supply chains
11%
Greenhouse gases
11%
Hydrogen production
10%
Carbon capture
10%
Biodiesel
10%
Profitability
9%
Liquid fuels
8%
Diesel fuels
8%
Aircraft fuels
8%
Electric network analysis
8%
Gas emissions
8%
Industry
8%
Gas fuels
8%
Water resources
7%
Cooling
7%
Geographic information systems
6%
Gas supply
6%
Aviation
6%
Propulsion
5%
Trucks
5%
Earth & Environmental Sciences
biofuel
72%
biofuel production
50%
biomass
49%
economics
35%
cost
34%
bioenergy
33%
carbon
27%
natural gas
21%
land
21%
sustainability
21%
decision
20%
policy
19%
economic impact
17%
bioenergy production
17%
electric vehicle
16%
crop
16%
viability
15%
resource
15%
sustainable use
14%
ownership
13%
pollution control
12%
credit
12%
forestry
11%
demand
11%
wastewater treatment
10%
life cycle
10%
infrastructure
10%
vehicle
10%
greenhouse gas emissions
9%
atmospheric pollution
9%
economy
9%
market price
9%
hydrogen
9%
renewable resource
9%
GIS
9%
land use
9%
marginal land
8%
hydrocarbon
8%
incentive
8%
electricity
7%
air quality
7%
greenhouse gas
7%
economic support
6%
price
6%
agricultural economics
6%
cost reduction
5%
profit
5%
services
5%
alternative technology
5%
stakeholder
5%
Agriculture & Biology
feedstocks
58%
biorefining
57%
biofuels
43%
Populus
39%
hybrid poplars
36%
biomass
31%
Western United States
23%
life cycle impact assessment
23%
air transportation
20%
economics
20%
torrefaction
19%
bioenergy
19%
cropland
18%
land use
17%
economic impact
17%
pelleting
16%
economic sustainability
14%
wastewater treatment
14%
forestry
13%
biotransformation
12%
Miscanthus
12%
aviation
12%
viability
11%
hydrocarbons
11%
global warming potential
10%
land management
9%
carbon markets
9%
pretreatment
9%
market prices
7%
land use change
7%
crops
7%
supply chain
6%
liquids
6%
greenhouse gas emissions
6%
electricity generation
6%
uncertainty
6%
agricultural economics
6%
rural economics
6%
environmental performance
5%
road transportation
5%
renewable resources
5%
rail transportation
5%