A significant reduction in toxic gas emissions in London—down 27%—is being attributed to the recent expansion of the city’s Ultra Low Emission Zone (ULEZ) program, according to a report from the mayor’s office.
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A significant reduction in toxic gas emissions in London—down 27%—is being attributed to the recent expansion of the city’s Ultra Low Emission Zone (ULEZ) program, according to a report from the mayor’s office.
