Earth & Environmental Sciences
automobile
100%
electric vehicle
78%
road
76%
bicycle
76%
cost-benefit analysis
70%
travel
63%
energy efficiency
61%
infrastructure
44%
battery
39%
volatility
32%
climate effect
32%
travel time
31%
comparison
31%
environmental effect
30%
market
30%
ethanol
28%
price
26%
traffic
24%
consumption
23%
station
23%
walking
23%
policy
22%
weather
20%
pollution effect
19%
effect
19%
cost
18%
speed
18%
nuisance
17%
oil
17%
cost-benefit
17%
health
16%
need
16%
fuel consumption
15%
international comparison
14%
calculation
13%
travel behavior
13%
global warming
12%
services
12%
modeling
12%
oscillation
12%
atmospheric pollution
11%
project
11%
biofuel
11%
public transport
11%
vehicle
10%
freight transport
10%
volatile organic compound
9%
tax
9%
snow
9%
alternative fuel
9%
Business & Economics
Denmark
56%
CO2 Emissions
39%
Nordic Countries
37%
Travel Time
33%
Roads
33%
Car
32%
Freight
30%
Energy Efficiency
28%
Ownership
27%
Prediction
24%
Registration
21%
Traffic Flow
20%
Fuel Efficiency
13%
Tax
12%
Welfare Gains
10%
Operating Costs
10%
Tax Reform
10%
Purchase
9%
Fuel Consumption
9%
Microeconomics
9%
Elasticity
9%
Freight Transport
9%
National Accounts
8%
Climate
8%
Policymaker
8%
Finland
7%
Norway
7%
Motorway
7%
Sweden
7%
Value Added
6%
Duration Models
6%
Hazard Rate
6%
Endogeneity Problem
6%
European Countries
6%
Travel Demand
6%
Statistics
5%
Congestion
5%
Engineering & Materials Science
Spatial distribution
66%
Economics
57%
Electric vehicles
54%
Energy efficiency
47%
Cost benefit analysis
37%
Taxation
34%
Education
25%
Oils
22%
Alternative fuels
16%
Statistics
16%
Costs
13%
Accidents
11%
Availability
10%
Road vehicles
10%
Fuel consumption
6%
Monitoring
5%
Carbon footprint
5%
Land use
5%
