Engineering & Materials Science
Engines
100%
Gasoline
73%
Direct injection
65%
Soot
53%
Catalysts
50%
Reforming reactions
41%
Exhaust gases
39%
Oxidation
38%
Ignition
36%
Diesel fuels
34%
Ethanol
33%
Butenes
32%
Hydrogen
31%
Exhaust gas recirculation
30%
Diesel engines
27%
Gas fuels
25%
Gas emissions
25%
Internal combustion engines
23%
Fuel economy
21%
Temperature
20%
Exhaust systems (engine)
18%
Waste heat utilization
17%
Alternative fuels
16%
Biodiesel
16%
Catalytic converters
15%
Engine cylinders
15%
Carbon
15%
Alcohols
14%
Antiknock rating
13%
Particulate emissions
13%
Ammonia
13%
Fuel injection
13%
Hydrocarbons
11%
Powertrains
11%
Selective catalytic reduction
11%
Machine learning
11%
Bioethanol
10%
Gases
9%
Hot Temperature
9%
Esters
9%
Catalyst activity
9%
Molecular structure
9%
Kinetic parameters
9%
Liquefied petroleum gas
9%
Reaction kinetics
9%
Exergy
9%
Biofuels
8%
Hybrid vehicles
8%
Alcohol fuels
8%
Greenhouse gases
8%
Earth & Environmental Sciences
engine
44%
diesel
34%
combustion
27%
particulate matter
19%
ethanol
19%
catalyst
18%
diesel fuel
16%
exhaust gas
10%
oxidation
10%
soot
9%
diesel engine
8%
particle
8%
ether
8%
electric vehicle
7%
filter
7%
vehicle
6%
fuel alcohol
6%
carbon
6%
hydrogen
6%
combustion engine
6%
effect
6%
alternative fuel
6%
trade-off
5%
catalytic converter
5%
alcohol
5%
fuel gas
5%
regeneration
5%
Chemistry
Gasoline
54%
Fuel
51%
Soot
32%
Catalyst
14%
Cetane Number
12%
Oxidation Reaction
12%
Fuel Gas
11%
Combustion Engine
9%
Ethanol
9%
Heat
8%
Environmental Pollutant
8%
Gas
7%
Ammonia
7%
Hydrogen
7%
Oxidation Kinetics
6%
Biodiesel
6%
Methyl Ester
6%
Reduction
6%
Waste Heat
5%
Pharmacokinetics
5%
Hydrocarbon
5%
Octane Number
5%