Decarbonizing the




Certification and labeling


The impartiality and authenticity of the information provided is essential. All data released are based on authenticated official documents (bills of lading). These documents are sent by carriers to Eolyss, which then integrates them into its statistics and updates its database in real time (within a few days). These documents can be audited at any time and without notice.

Avoidance data

Avoidance data are calculated by comparing a transport performed with an equivalent conventional thermal vessel and the eco-friendly transport used. Each transport is a particular case and must be compared with the most appropriate equivalent conventional ship to the situation (in particular: type, size and fill rate of the vessel).

The choice of the equivalent conventional ship involves certain assumptions and this must be considered when awarding the label. If you compare a 1000t payload eco-responsible vessel with a traditional 1000t ship, and you get an 88% footprint reduction, you can certainly do it again with a traditional 10000 t ship and see that the footprint reduction will not be the same (and maybe only 50%). Similarly, two traditional 5000t vessels will not have the same ecological footprint, and the same vessel observed on two crossings may also show different footprints. It is therefore necessary to make arbitrations and averages to compare an eco-responsible ship with its thermal equivalent.

Arbitration rules

  1. Eolyss uses in priority the dynamic consumption data associated with the journeys under study (consumption, type of fuel, type of engines, etc.). These data then allow a precise characterization of the emissions linked to the journeys.
  2. Alternatively, Eolyss shall use a certification issued to the vessel by an official body containing the following information:
    1. Certification date
    2. Nominal tonnage of the ship
    3. CO2 footprint
    4. NOx footprint
    5. SOx footprint
    Footprints represent the pollutant emission rate per fuel quantity (typically in g per g of fuel) or a coefficient allowing to know the pollutant rate per
  3. In the absence of certificate, Eolyss will use conservative factors that penalize the ecological performance of the eco-responsible vessel and, in turn, the carriers and their customers. All parameters used for avoidance calculations are accessible for Eolyss partners.
    An avoidance calculation may therefore remain pending for some time, and will reflect this state with a provisional status. When the coefficients are confirmed, this calculation will be updated and a final report could then be issued.
  4. For each trip, in agreement with the carrier, Eolyss receives a copy of the bill of lading with, for each customer, the date of arrival and the tonnage transported. The nature of the goods, the delivery times as well as the pricing information are never communicated.
  5. Eolyss uses standard models of conventional vessels of various sizes and functions whose ecological performance has been previously determined by a certified organization. Eolyss then confronts each eco-responsible ship with an equivalent model for a given journey, calculates the avoidance and publishes this information in the form of tables and graphs to visualize and make known the ecological gains associated with the carrier and his customers.
  6. Data on equivalent thermal vessels are updated regularly, possibly every year. It is foreseeable and desirable that these data go in the direction of improving the ecological performance of these standard vessels.
  7. The choice of the equivalent conventional vessel depends on several criteria:
    1. Total loading of the ship
    2. Type of loading (non-standard, container, bulk ...)
    3. Type of vessel
    4. Port of landing capacity
    5. Route
    The choice of the equivalent thermal ship is made by considering the following question: if the goods were not transported on an eco-responsible ship, which would be the conventional ship used?
  8. Avoidance information and labels are available exclusively for Eolyss member companies who can use them as they wish for their communication needs. Non-member companies will have their data presented under an anonymous name.
  9. All numerical data in the tables are traceable, verifiable and available. Details leading to the displayed results are also available upon request.
  10. For any questions about avoidance calculations, you can contact Eolyss and we will process your request.

1.4 Labels

Labels are awarded according to certified information and depend on the degree of reduction of pollutants and greenhouse gases caused by the mode of transport chosen by the companies. The more efficient the technology used by the carrier, the stronger the label. Each label corresponds to a shipping route, a particular company, a specific year, and a particular type of ecoresponsible vessel. The labels are cumulative and give the right to a global label for the year. 5 classes of labels are proposed according to the reductions found:

  • Base: the company used an eco-responsible transportation (reduction > 20%)
  • Bronze : the company used an eco-responsible transportation (reduction > 50%)
  • Silver : the company used an eco-responsible transportation (reduction > 75%)
  • Gold : the company used an eco-responsible transportation (reduction > 90%)
  • Platinum : the company used an eco-responsible transportation (reduction > 95%)
Photo, courtesy of Guillaume Bolduc