Earth & Environmental Sciences
travel
100%
travel demand
79%
public
73%
greenhouse gas emissions
51%
trend
25%
market
25%
energy use
24%
vehicle
22%
services
18%
economic activity
12%
energy efficiency
11%
metropolitan area
11%
demand
11%
policy
10%
urban geography
8%
demographic trend
8%
technology policy
8%
urban mobility
8%
market conditions
7%
pandemics
7%
land use
7%
travel behavior
7%
electric vehicle
7%
electrification
7%
externality
6%
credit
6%
traffic emission
6%
bus
6%
quality of life
6%
need
6%
long-term trend
6%
automation
5%
maturation
5%
travel time
5%
elasticity
5%
product
5%
urban development
5%
population growth
5%
land use change
5%
rural area
5%
substitution
5%
energy consumption
5%
allocation
5%
income
5%
greenhouse gas
5%