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Seattle offers the lowest carbon footprint for cargo shipped by sea from Asia to major markets in the Midwest and East Coast. That’s what makes us the Green Gateway for trade. This was determined by the "Carbon Footprint Study of the Asia to North America Intermodal Trade," (download PDF) conducted by Herbert Engineering Corp., which looks at CO2e emissions of intermodal shipments from Asia to North American markets.
 

Carbon Calculator 

 
Use the Carbon Calculator to compare shipment routings
Carbon calculator results are derived from the Carbon Footprint Study for Asia to North American intermodal Trade paper by the Herbert Engineering Corp.
 
 
 
 
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Key Study Findings

The study parameters include:
  • Asian Origin Ports: Shanghai, Hong Kong, Singapore, Ho Chi Mihn, Tokyo and Busan
  • North American Gateways: Ports of Prince Rupert, Seattle, Oakland, Los Angeles/Long Beach, Houston, Savannah, Norfolk and New York/New Jersey
  • Gulf and East Coast ports, routes via the Panama and Suez Canals were analyzed, including the 2014 expansion of the Panama Canal 
  • North American Destination Cities: Chicago, Columbus, Memphis, New York and Norfolk
  • Vessel Size: 4,500, 6,500, 8,500, and 12,500 TEUs
  • Vessel Utilization: 60% to 90%, in 10% intervals
  • Vessel Slow Steaming: 17 to 24 knots
Find more information on Herbert Engineering Corp. at www.herbert.com.