To further study the benefits of electronic toll collection versus conventional manual toll collection a research team collected detailed air quality measurements at a toll plaza outside Shanghai.…
RESULTS
Alternative fuel vehicles significantly improve urban air quality
LNG and CNG produce the greatest improvements
Engines specifically designed to run on alternative fuels further reduce…
Findings
A 10 percent increase in online shopping activity decreased traffic congestion by 1.4 percent.
Effect is strongest during peak hours and in cities that have high, baseline levels of…