Engineering & Materials Science
Ethanol
100%
Engines
85%
Gasoline
52%
Internal combustion engines
42%
Biodiesel
36%
Fuel consumption
30%
Hydrocarbons
28%
Electric vehicles
28%
Oils
27%
Carbon monoxide
26%
Diesel engines
24%
Aldehydes
21%
Engine cylinders
21%
Dynamometers
19%
Hydrogen
19%
Air intakes
16%
Absorption refrigeration
13%
Energy utilization
13%
Temperature
13%
Carbon dioxide
13%
Natural gas
12%
Exhaust gases
12%
Nitrogen
11%
Ignition
11%
Oxides
11%
Intake valves
10%
Exhaust systems (engine)
10%
Lubricants
9%
Air
9%
Exergy
9%
Lubricating oils
9%
Proton exchange membrane fuel cells (PEMFC)
8%
Brakes
7%
Aging of materials
7%
Experiments
7%
Compression ratio (machinery)
7%
Acetaldehyde
7%
Pipe
7%
Bioethanol
6%
Fuel cells
6%
Cooking
6%
Exhaust gas recirculation
6%
Heating
6%
Hot Temperature
6%
Combustion chambers
6%
Smart power grids
5%
Conversion efficiency
5%
Formaldehyde
5%
Purification
5%
Intake systems
5%
Earth & Environmental Sciences
engine
67%
electric vehicle
39%
ethanol
35%
vehicle
26%
diesel
19%
cold
15%
carbon monoxide
14%
fuel consumption
14%
energy consumption
13%
hydrocarbon
12%
oil
12%
diesel engine
11%
taxis
10%
exhaust emission
9%
smart grid
8%
carbon dioxide
8%
natural gas
8%
combustion
8%
test
8%
combustion engine
8%
speed
8%
electronics
7%
emission levels
6%
exhaust gas
6%
exergy
6%
replacement
6%
air
6%
refrigeration
6%
analysis
6%
oxide
5%
battery
5%
simulation
5%
temperature
5%
emission reduction
5%
software
5%
Chemistry
Fuel
64%
Gasoline
35%
Ethanol
33%
Biodiesel
21%
Hydrocarbon
19%
Carbon Monoxide
15%
Valve
14%
Internal Combustion Engine
14%
Diesel Fuel
13%
Injector
13%
Simulation
12%
Energy Consumption
10%
Aldehyde
9%
Flow
9%
Lubricating Oil
9%
Turbulent Flame
9%
Cylinder
8%
Additive
7%
Carbon Dioxide
7%
Environmental Pollutant
7%
Electricity
6%
Nitrogen
6%
Isooctane
6%
Castor Oil
6%
Oxide
6%
Pressure
5%