article thumbnail

KCL study finds London air pollution from traffic improving, but continues to exceed limits in many parts of city

Green Car Congress

The study, published as an open-access paper in the journal Environmental Pollution , examined trends in air pollution over a ten-year period spanning 2005 to 2014, using data collected from 65 roads. Overall, there was a decrease in total traffic between 2005 and 2014, mainly explained by the reduction in cars and taxis.

London 150
article thumbnail

Study of In-use Vehicle Activity and Emissions in Tianjin, China Yields Fleet and Emissions Profiles, Policy Implications

Green Car Congress

Light-duty vehicles together contributed to 82% of all distance traveled (passenger cars, 64%; taxis, 18 %), buses and trucks contributed to 11% and 8% of total distance traveled respectively. 13% of passenger cars and 35% of taxis were still using carburetors. million miles) per day. thousand tons of CO 2 on a typical spring day.

Emissions 150