Earth & Environmental Sciences
life cycle analysis
92%
biofuel
76%
liquid
44%
life cycle
29%
biomass
11%
oil
10%
climate change mitigation
10%
credit
10%
starch
9%
ether
9%
soil carbon
9%
sugar
9%
energy balance
8%
allocation
7%
greenhouse gas
7%
developing world
7%
price
7%
North America
7%
mitigation
7%
parameter
6%
Europe
6%
land
5%
Engineering & Materials Science
Biofuels
82%
Life cycle
63%
Liquids
48%
Bioethanol
24%
Biomass
16%
Oils
11%
Starch
11%
Sugars
11%
Ethers
10%
Climate change
10%
Biodiesel
9%
Developing countries
9%
Energy balance
9%
Greenhouse gases
9%
Soils
7%
Carbon
6%
Uncertainty
5%
Social Sciences
Transport sector
100%
biofuel
87%
life cycle
73%
biotechnology policy
12%
oil price
10%
credit
7%
climate change
7%
climate
7%
developing country
6%
uncertainty
6%
energy
6%