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Table 6 Dependence of emissions on the speed mode of the containership on the Shanghai—Los Angeles route.

From: Acute port congestion and emissions exceedances as an impact of COVID-19 outcome: the case of San Pedro Bay ports

Speed

Standard

Half

Low

Full

Reduction (%)

37

50

70

0

Transit time (approx. days)

17

21

35

11

Emissions (TTW* in tons)

CO2

3,937

3,047

2,174

8,048

SO2

0.097

0.044

0.03

0.121

NO2

0.095

0.07

0.042

0.206

PM10

0.008

0.006

0.004

0.017

NMHC**

0.003

0.002

0.001

0.007

  1. *TTW tank to wheel
  2. **non-methane hydrocarbon
  3. Containership: CC Transpacific trade (17 k TEU), LF: 80%, Standard (average)
  4. Speed: 14.37 knots, Distance: 10,550.97 km, Cargo weight: 6,000 TEU (t/TEU: 10)