Earth & Environmental Sciences
transportation planning
97%
environmental cost
87%
accessibility
67%
environmental impact
33%
speed
27%
time budget
21%
fossil fuel consumption
20%
motor vehicle emission
20%
transportation system
17%
road network
15%
simulator
13%
greenhouse gas emissions
12%
air quality
11%
GPS
11%
vehicle
11%
road
10%
method
9%
resource
7%
cost
7%
Engineering & Materials Science
Prisms
84%
Environmental impact
50%
Planning
44%
Costs
26%
Air quality
19%
Gas emissions
18%
Greenhouse gases
17%
Fossil fuels
17%
Fuel consumption
16%
Cost functions
16%
Global positioning system
15%
Simulators
12%
Business & Economics
Transportation Planning
100%
Accessibility
74%
Environmental Impact
28%
CO2 Emissions
20%
Road Network
13%
Fuel Consumption
12%
Air Quality
12%
Motor Vehicles
12%
Fossil Fuels
10%
Greenhouse Gas Emissions
10%
Cost Function
9%
Empirical Data
8%
Destination
7%
Scenarios
6%
Resources
6%
United States of America
4%
Social Sciences
planning
42%
costs
40%
environmental impact
28%
time
24%
road network
14%
time budget
14%
transportation system
12%
motor vehicle
10%
diagnostic
8%
air
8%
scenario
7%
lack
5%
resources
4%