TonneMiles

Ro-ro ship · Hong Kong flag

BYD HEFEI: CO₂ emissions 2025

IMO 9999565 EU ETS

CO₂ reported 2025
19,646 t
Fuel burned
6,445 t
Distance
63,127 nm
Time at sea
4,156 h
Emitted at berth
2% of total
Share of year under way
47%
BYD HEFEI
Marcxosm, CC BY 4.0 · File

BYD HEFEI against its type

It is one of 2 ro-ro ships here under the Hong Kong flag, 0.6% of the 311 on the register.

Its 19,646 t of CO₂ for 2025 is close to the median of 21,362 t among the 238 ro-ro ships on this register that reported for 2025. Per nautical mile it emitted 311.2 kg CO₂, close to the type median of 327.0 kg. It logged 4,156 hours at sea against a median of 4,872 hours for its type that year. 2.2% of its 2025 emissions were at berth; the median for ro-ro ships was 4.3%. Of the 7 comparable vessels listed below with a 2025 return, 4 reported a lower CO₂ per nautical mile than this vessel.

Emissions by year2025–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 19,646 6,445 63,127 4,156 440 311.2 50.3 16

Vessel particulars

IMO number
9999565
Ship type
Ro-ro ship
Flag state
Hong Kong per EU MRV 2025
Port of registry
Hong Kong MRV 2025
Home port
Hong Kong
Technical efficiency (design)
EEDI (11.42 gCO₂/t·nm)
Verifier
CHINA CLASSIFICATION SOCIETY, China
Accreditation
0003VV
Compliance document issued
2026-03-19
Compliance document expires
2027-06-30

Efficiency against its own type2025

Position 32 of 192 qualifying ro-ro ships by EEOI, at the 16th percentile. The dashed line is the type median, 85.3; this vessel reported 50.3.

0255075100more efficientless efficientThis vessel: 16th percentile, EEOI 50.3

EEOI divides emissions by transport work, which for this vessel and year was 390,340,950 tonne-miles over 63,127 nautical miles.

Where the 2025 emissions occurred

At berthAt berth: 440 t440Within EEA portsWithin EEA ports: 440 t440Voyages between EEA portsVoyages between EEA ports: 1,972 t1,972Voyages to an EEA portVoyages to an EEA port: 10,594 t10,594Voyages from an EEA portVoyages from an EEA port: 6,639 t6,639

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
20,464 t
Methane (CH₄)
19.17 t
Nitrous oxide (N₂O)
1.06 t
Under EU ETS
11,029 t, 56% of total

Sources and how to read this

This page draws on 1 MRV reporting year, an efficiency ranking, 1 of 5 vessel particulars and a licensed photograph. Not found in the sources for this vessel: AIS movements in Norwegian waters, a name history, a sanctions listing and US port state inspections.

Empty means unreported, never zero. How EEOI, distance, percentiles and sister ships are handled is explained under reading a vessel page. Something wrong? See corrections.

Comparable vesselsnearest by tonnage, same type