THE Port of Los Angeles says
it has met the goals laid out in its 2023 Clean Air Action Plan ahead of
schedule and "has maintained or exceeded the dramatic clean air progress it has
made over the last 12 years."
The port said that emissions of
nitrogen oxides, a key component of smog, were down 60 per cent compared to
2005 emissions levels. Diesel particulate matter (DPM) remains
down
87 per cent and sulphur oxides remain down 98 per cent,
reported American Shipper.
"To reduce emissions while also
significantly increasing cargo volumes the port had to reduce the average
amount of emissions it generates to move each container," the port said.
It added that it lowered the
"average amount of emissions the port generates to move each container of
cargo for all eight pollutants tracked by the port's emissions inventory,
including greenhouse gases (GHG), which were down 30 per cent per container on
average since 2005."
The port said larger containerships
played a key role in preserving the port's clean air gains. Containership calls
were down 22 per cent, while the average number of containers per vessel
increased 60 per cent since 2005. Fewer ship calls also led to fewer trips by
harbour craft.
The port noted the largest ships
tend to be newbuilds with cleaner engines. In addition, the port has required
more ships to "cold iron" - turn off their engines and plug into the
onshore electric grid when docked.
Under rules from the UN's
International Maritime Organisation that established emissions control
areas, since 2017 ships within 200 nautical miles of the US coastline must burn
cleaner fuel with a maximum sulphur content of 0.1 per cent, and more ships are
reducing fuel consumption by slowing down within 40 nautical miles of the port.
The port said turnover of older
trucks and upgrades to cargo-handling equipment also have "helped hold the
line on emissions". Half of the 17,000 drayage trucks calling at the port
in 2017 have 2010 model year or newer engines.
Source : HKSG.
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