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  1. Calculation API Examples
  2. Logistics
  3. Air Freight

Air Freight: GLEC

πŸ’‘ High-Level Description:

The Global Logistics Emissions Council (GLEC) represents an unparalleled effort to standardize emissions calculations across the logistics sector. Recognizing the fragmented methodologies present in the freight domain, GLEC designed a comprehensive framework tailored specifically for air freight. This framework emphasizes consistent emissions reporting and consolidation, understanding that standardized data leads to informed decision-making.

GLEC’s methodology for air freight factors in the diverse fleet compositions, varying load efficiencies, and distinct routes that shape the aviation logistics landscape. By accounting for these nuances, it provides businesses with a tool to monitor, report, and ultimately reduce their carbon footprints, while maintaining operational efficiency. With the GLEC framework in place, air freight companies can confidently navigate the intersection of economic growth and sustainable operations.

Sample API Request

{
  "expand": [
    "items"
  ],
  "items": [
    {
      "type": "air_freight",
      "external_reference": "test_1",
      "origin": "LHR",
      "destination": "HAM",
      "weight_in_tonnes": 2,
      "plane_type": "belly_freighter",
      "energy_scope": "ttw",
      "methodology": "GLEC"
    }
  ]
}

API Request Items

  • "type": "air_freight" (required)

  • "methodology": "GLEC" (required)

  • "external_reference": A unique identifier that helps you link the resulting emissions to the requested item. Especially useful if multiple items are requested since SQUAKE cannot guarantee to keep the same order. The maximum length is 128 characters.

  • "origin": SQUAKE will try to resolve the origin/destination regardless of its format. Ideally, for addresses use the Post standard, for airports use IATA/ICAO code (format: ^[A-Z]{3,4}$, e.g., "MUC"), for other locations used in trade and transportation use UN/LOCODE codes (format: ^[A-Z]{2}\W?[A-Z2-9]{3}$, e.g., "DEHAM"). You can also pass lat/long (format: ^[-+]?\d{1,3}\.\d{1,10}\s?,\s?[-+]?\d{1,3}\.\d{1,10}$, e.g., "+40.712,-74.006").

  • "destination": SQUAKE will try to resolve the origin/destination regardless of its format. Ideally, for addresses use the Post standard, for airports use IATA/ICAO code (format: ^[A-Z]{3,4}$, e.g., "MUC"), for other locations used in trade and transportation use UN/LOCODE codes (format: ^[A-Z]{2}\W?[A-Z2-9]{3}$, e.g., "DEHAM"). You can also pass lat/long (format: ^[-+]?\d{1,3}\.\d{1,10}\s?,\s?[-+]?\d{1,3}\.\d{1,10}$, e.g., "+40.712,-74.006").

  • "distance_in_km": Prioritized over origin and destination. If you don't have a distance_in_km, you can use origin and destination and the distance will be automatically resolved. If you pass both distance_in_km and origin/destination, then distance_in_km will be used.

  • "weight_in_tonnes": Numeric value.

  • "plane_type": Values are belly_freighter, freighter and average. Default is average.

  • "energy_scope": Values are ttw or wtw. Default value is wtw.

Default values

  • "plane_type": "belly_freighter"

  • "energy_scope": "wtw"

Sample API Response

{
    "carbon_quantity": 1654776,
    "carbon_unit": "gram",
    "items": [
        {
            "carbon_quantity": 1654776,
            "carbon_unit": "gram",
            "external_reference": "test_1",
            "type": "air_freight",
            "methodology": "GLEC",
            "distance": 846.0,
            "distance_unit": "kilometer",
            "algorithm_specifics": {
                "algorithm_type": "glec",
                "data": {
                    "co2e_in_g": 1654776,
                    "co2e_emissions_wtw_in_g": 2093004,
                    "co2e_per_tonne_km_in_g": 978,
                    "tonne_km": 1692,
                    "reporting_year": 2024,
                    "transportation_mode": "air_transportation"
                }
            }
        }
    ]
}

Smart Freight Center helped us fine tune our calculations of all freight and logistics related operations in accordance with the GLEC framework.

Bibliography

  • Smart Freight Center (2024). Global Logistics Emissions Council Framework V3.1.

  • Towards efficient and zero emissions (n.d.). Smart Freight Centre. Retrieved from https://www.smartfreightcentre.org/en/

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