Agriculture & Biology
synthesis gas
100%
process design
98%
woody biomass
91%
ethers
61%
biomass gasification
28%
combustion
18%
liquids
17%
methanol
14%
soot
10%
diesel engines
10%
diesel fuel
10%
fossil fuels
10%
greenhouse gas emissions
9%
thermodynamics
9%
taxonomic keys
8%
petroleum
8%
biomass production
7%
economics
5%
biomass
5%
Engineering & Materials Science
Ethers
80%
Process design
73%
Biomass
62%
Liquid fuels
29%
Methanol
17%
Gasification
17%
Fuel additives
12%
Soot
9%
Diesel fuels
9%
Gas emissions
8%
Greenhouse gases
8%
Fossil fuels
8%
Diesel engines
7%
Crude oil
7%
Thermodynamics
7%
Economics
5%
Earth & Environmental Sciences
ether
72%
biomass
42%
gasification
18%
methanol
17%
liquid
15%
combustion
13%
fuel additive
13%
diesel fuel
10%
diesel engine
9%
cleanup
9%
soot
9%
diesel
8%
fossil fuel
7%
additive
7%
thermodynamics
6%
petroleum
6%
parameter
5%
policy
5%