Engineering & Materials Science
Biodiesel
100%
Engines
75%
Diesel engines
55%
Feedstocks
54%
Esters
45%
Exhaust gas recirculation
42%
Oils
37%
Ignition
37%
Engine cylinders
35%
Videocassette recorders
32%
Ignition systems
31%
Electric sparks
25%
Oils and fats
21%
Cooking
19%
Air preheaters
17%
Diesel fuels
17%
Hydrogen engines
17%
Spark plugs
17%
Hot Temperature
17%
Lasers
17%
Brakes
17%
Smoke
15%
Desalination
13%
Internal combustion engines
13%
Liquid fuels
12%
Air intakes
12%
Direct injection
12%
Fish
12%
Exergy
12%
Air
11%
Adsorption
11%
Temperature
10%
Characterization (materials science)
9%
Oxides
9%
Saturated fatty acids
9%
Pyrolysis
9%
Electric heating elements
9%
Aging of materials
9%
Students
8%
Fabrication
8%
Plastics
8%
Exhaust gases
8%
Nitrogen
8%
Cooling
7%
Heating
7%
Hydrocarbons
7%
Hydrogen
6%
Fossil fuels
6%
Specific heat
6%
Antiknock rating
5%
Earth & Environmental Sciences
engine
55%
combustion
41%
oil
40%
smoke
20%
fuel alcohol
19%
combustion engine
19%
compression
17%
fuel additive
17%
diesel engine
17%
biofuel
16%
kerosine
13%
ester
12%
alcohol
12%
graphite
11%
monitoring data
11%
nanoparticle
10%
pyrolysis
10%
nitric oxide
9%
desert
9%
exhaust gas
9%
petroleum
8%
fatty acid
8%
diesel
8%
diesel fuel
8%
fat
8%
marginal land
8%
industry
6%
carbon dioxide
6%
fossil fuel
6%
arable land
6%
food production
6%
battery
5%
carbon emission
5%
turnover
5%
additive
5%
Chemical Compounds
Biodiesel
38%
Fuel
31%
Methyl Ester
14%
Transesterification
13%
Smoke
13%
Ternary Mixture
12%
Gas
8%
Pressure
7%
Cetane Number
6%
Mixture
5%
Flash Point
5%
Castor Oil
5%