FAQ – Emission Monitor
1. How is CO2 emission calculated by Emission Monitor?
Clean Cargo Work Group (CCWG) methodology is applied for the calculation of ocean emission. This methodology has been globally adopted by the container shipping industry. Emission factors are calculated on a Tank-to-Wake (TTW) basis.
Inland transport emission calculation applies Global Logistics Emission Council (GLEC) framework as well as emission factors published by local organizations with reference to our historical data.
2. For the same shipment route but different service loops (e.g. LL1 and LL3), why are the calculated emission values different?
Each service loop is operated by different vessels. As a result, calculated emission values may vary.
3. Why do my shipments (same quantity, same route and same cargo nature) booked under different vessels in the same service loop always have the same emission value over the past few months?
CCWG methodology is applied in the emission calculation of service loops. Different emission factors from individual vessels are aggregated into service loop level emission factors. Therefore, the calculated emission value within the same service loop will be the same.
4. Where can I find the carbon emission information of my shipments?
At the moment, customers can view the emission value (per TEU) of their shipments in both My OOCL Centre (Shipment Details) and Booking Acknowledgment.
5. At booking stage, can I choose the shipment route with the lowest emission (per TEU)?
Emission is one factor in customers choosing the appropriate route. Customers can choose their desired shipment route based on various criteria such as emission, transit time, earliest onboard date, etc.
6. If I change my shipment route after booking confirmation, will the emission value be recalculated? Where can I find it?
In addition to shipment route change, any changes in equipment quantity/size/type/cargo nature will also trigger a recalculation of your shipment emission value. Customers can always refer to the updated information in My OOCL Centre under “Shipment Details".
7. How does the system standardize the volume of a 40-foot-equivalent container?
A 20-foot standard or high cube (HC) container will be calculated as 1 TEU, a 40-foot standard container will be counted as 2 TEU, and a 40-foot high cube or 45' will be considered as 2.25 TEU.
8. How can I find/calculate the Emission Value for my LCL shipment?
At the moment, only calculation of FCL shipment emission is available.
9. How can I find/calculate the Emission Value for my Project Cargo shipment
At the moment, only calculation of Project Cargo emission with booked equipment is available. Cargo volume is calculated based on the equipment size/ type. For example, a 20 FL equipment assumes a volume of 1 TEU in emission calculation.
10. How do you obtain emission data for port pairs not served by OOCL vessels?
Clean Cargo industry figures are referred in our estimation.
11. Sometimes vessels will be on slow steaming and not running on regular proforma schedule, do you calculate their emissions according to their actual sailing schedule?
Emission is normally calculated based on the actual sailing schedule. In case an actual schedule is not available, vessel's regular proforma schedule will be referred. Please contact OOCL for more details on a particular schedule.
12. Will the CO2 value change often?
The changes of calculation results can be due to different reasons, including changes in the proforma of each service and regular updates of emission and industry factors, which are reviewed and updated on annual basis.
13. If I want to get more information about the Emission Value of my shipment, who I could check with?
For enquiries and feedback, please contact CO2ENQ@OOCL.COM.
14. Why is emission value indicated in Booking Acknowledgment? What do I need to do with it?
OOCL is committed to reducing environmental impact by minimizing its carbon footprint. We would like to proactively share our customers about their shipment emissions.
