Physics & Astronomy
gasoline
100%
engines
95%
grade
54%
International System of Units
38%
fuel consumption
38%
Indonesia
33%
deposits
27%
spark ignition
27%
performance
26%
ethyl alcohol
26%
octane number
25%
strokes
19%
torque
19%
combustion chambers
18%
renewable energy
16%
coefficients
14%
energy sources
14%
exhaust emission
12%
injection
11%
fossil fuels
10%
carburetors
9%
distillation
9%
exhaust gases
9%
heat
8%
energy consumption
7%
diesel engines
7%
test chambers
7%
control valves
6%
ignition
6%
vehicles
6%
energy
6%
oils
6%
engine control
6%
antioxidants
6%
scavenging
5%
fossils
5%
resources
5%
temperature
5%
sediments
5%
biomass
5%
Engineering & Materials Science
Bioethanol
51%
Gasoline
46%
Engines
31%
Biodiesel
25%
Deposits
21%
Ethanol
18%
Antiknock rating
17%
Combustion chambers
17%
Internal combustion engines
13%
Fuel consumption
12%
Diesel engines
12%
Scavenging
11%
Motorcycles
11%
Engine cylinders
10%
Fuel injection
10%
Dynamometers
8%
Characterization (materials science)
7%
Gas emissions
7%
Fuel filters
7%
Fossil fuels
7%
Essential oils
7%
Physicochemical properties
5%
Exhaust gases
5%
Evaporation
5%
Earth & Environmental Sciences
engine
47%
ethanol
25%
gasoline engine
24%
fuel consumption
16%
combustion
15%
additive
14%
test
10%
diesel fuel
9%
motorcycle
9%
effect
9%
methanol
8%
distillation
8%
torque
8%
alternative energy
8%
combustion engine
7%
diesel
7%
biofuel
6%
diesel engine
6%
fuel additive
6%
energy resource
6%
essential oil
6%
droplet
5%
gas
5%
ester
5%
temperature
5%
energy
5%
exhaust gas
5%
