The Port of Los Angeles (POLA) has reported a net reduction in air pollution during the previous year, eliminating its emissions after various swings in cargo volumes.
The Port’s Inventory of Air Emissions for 2020 reports that criteria pollutants fell slightly from 2019 levels, while diesel particulate matter (DPM) and sulfur oxides (SOx) were decreased by 1% and nitrogen oxides (NOx) saw a decline of 3%.
During the first five months of 2020, container traffic through the LA Port dropped by 19%...
https://container-news.com/port-of-los-angeles-ends-2020-with-clean-air-gains/