Navalyze · Ro-pax · Ship

EXPRESS 4

IMO: 9824564
Type: Ro-pax ship
Port of registry: Aarhus
Technical efficiency: EIV 1.07 g CO₂/t·nm

ISM company (DoC holder) in 2025: Molslinjen A/S

Report year

2025 at a glance

From the 2025 THETIS-MRV report.

Fuel per mile

119.5 kg/nm

Ro-pax median 150.2 kg/nm (−20%)

CO₂ per transport work (pax)

825

g CO₂/pax·nm · Ro-pax median 567 (+46%)

CO₂ per transport work (freight)

23.21

g CO₂/t·nm · Ro-pax median 253 (−91%)

Average speed

25.6 kn

Ro-pax median 15.8 kn (+62%)

Fuel per day at sea

73.3 t/day

Fuel consumed

11,658 t

CO₂ emitted

37,376 t

37,948 t CO₂eq incl. CH₄ and N₂O

Distance sailed

97,556 nm

CO₂ ÷ CO₂ per mile

Time at sea

3,817 h

159 days, 44% of the year

Within the ro-pax fleet, 2025

Set against all 408 ro-pax ships with a full-year 2025 report. Bigger ships burn more per mile but less per tonne of cargo, so read fuel per mile with the ship's size in mind.

Fuel per mileThis ship 119.5 kg/nm · median 150.2 (−20%)

69.3Ranks 118 of 408, lowest first232.4

Average speedThis ship 25.6 kn · median 15.8 (+62%)

12.0Faster than 93% of ro-pax ships22.3

CO₂ per transport work (pax)This ship 824.93 g CO₂/pax·nm · median 566.51 (+46%)

66.76Ranks 267 of 408, lowest first1,568.87

CO₂ per transport work (freight)This ship 23.21 g CO₂/t·nm · median 253.18 (−91%)

48.59Ranks 22 of 408, lowest first1,247.19

Middle 80% of shipsMiddle 50%Ro-pax medianThis ship

Where the emissions happen, 2025

THETIS splits each ship's CO₂ by voyage type. The split sets how much falls under the EU ETS: all of it within the EU and at berth, half of it on voyages into or out of the EU.

Between EU ports97%
From the EU0%
Into the EU0%
At berth in the EU3%

100% of this ship's CO₂ falls under the EU ETS (37,376 t).

Fuel burned laden

–

Not reported

CO₂ at berth

2.6%

Alongside in EU ports

Methane (CH₄)

0.6 t

Mainly from LNG; small for oil

CO₂eq ÷ CO₂

1.015

Uplift from CH₄ and N₂O, counted in full from 2026

Over the years

Full-year reports only. The Ro-pax median is the middle ship of all ro-pax ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel per mile, kg/nm

EXPRESS 4
Ro-pax median

100.0120.0140.0160.0

’192019’202020’212021’222022’232023’242024’252025

Average speed, kn

EXPRESS 4
Ro-pax median

15.020.025.030.035.0

’192019’202020’212021’222022’232023’242024’252025

CO₂ per transport work (freight), g CO₂/t·nm

EXPRESS 4
Ro-pax median

0.0100200300

’192019’202020’212021’222022’232023’242024’252025

CO₂ per transport work (pax), g CO₂/pax·nm

EXPRESS 4
Ro-pax median

0.02,0004,0006,0008,00010,000

’192019’202020’212021’222022’232023’242024’252025

Year on year

Year	Speed	Fuel per mile	Fuel per day	Distance	CO₂ per TW	Reading
2024→2025	−2.0 kn	+3%	−4%	−3%	−90%	2.0 kn slower, fuel per mile up 3%; worse than speed alone explains (fouling, weather, loading or trade).
2023→2024	−2.3 kn	−6%	−13%	−3%	+756%	2.3 kn slower, fuel per mile down 6%; worse than speed alone explains (fouling, weather, loading or trade).
2022→2023	−1.0 kn	+0%	−3%	−7%	−3%	1.0 kn slower, fuel per mile flat; worse than speed alone explains (fouling, weather, loading or trade).
2021→2022	−1.7 kn	−1%	−6%	+15%	+4%	1.7 kn slower, fuel per mile flat; worse than speed alone explains (fouling, weather, loading or trade).
2020→2021	+0.2 kn	−2%	−1%	+4%	−12%	Same speed, fuel per mile flat.
2019→2020	+0.0 kn	−4%	−3%	+8%	+26%	Same speed, fuel per mile down 4%; in line with the speed change.

Fuel per mile rises roughly with the square of speed for a given ship, so a change in speed explains much of a change in fuel per mile.

Every reporting year

One row per THETIS-MRV report. A ship that changed operator during a year has a part-year report for each.

Operation

Year	ISM company	Fuel t	CO₂ t	Distance nm	At sea h	Speed kn	Fuel kg/nm	CO₂ g/t·nm	Laden fuel
2025	Molslinjen A/S	11,658	37,376	97,556	3,817	25.6	119.5	–	–
2024	Molslinjen A/S	11,651	37,353	100,777	3,653	27.6	115.6	–	–
2023	not published	12,698	40,710	103,427	3,465	29.9	122.8	–	–
2022	not published	13,603	43,610	110,917	3,591	30.9	122.6	–	–
2021	not published	11,971	38,380	96,798	2,970	32.6	123.7	–	–
2020	not published	11,716	37,560	93,211	2,878	32.4	125.7	–	–
2019	not published	11,272	36,139	86,541	2,672	32.4	130.3	–	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/pax·nm	Ro-pax median	vs Ro-pax	Rank	Freight, g CO₂/t·nm	Ro-pax median	vs Ro-pax	Verifier	Methods
2025	Molslinjen A/S	824.93	566.51	+46%	267 of 408	23.21	253.18	−91%	Verifavia	A
2024	Molslinjen A/S	8,235.74	546.68	+1,407%	385 of 404	29.42	232.85	−87%	Verifavia	A
2023	not published	961.81	680.04	+41%	258 of 386	46.27	233.94	−80%	Verifavia	A
2022	not published	986.86	626.32	+58%	265 of 394	64.65	252.90	−74%	Verifavia	A
2021	not published	944.48	815.19	+16%	208 of 377	61.66	226.00	−73%	Verifavia	A
2020	not published	1,072.65	750.91	+43%	230 of 387	34.43	217.49	−84%	Verifavia	A
2019	not published	852.45	569.03	+50%	249 of 394	39.71	222.56	−82%	Verifavia	A

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Ro-pax ships are benchmarked on CO₂ per transport work (pax) (TW), in g CO₂/pax·nm, and also per tonne of freight (g CO₂/t·nm freight). CO₂eq adds methane and nitrous oxide and is in the public files from 2024. Rank counts from the lowest figure among that year's ro-pax ships. Methods: A delivery notes, B tank monitoring, C flow meters, D direct measurement. FuelEU GHG intensity is not shown: it needs fuel types, which the public file does not carry. Operators are named only from 2024, the first year the public files carry them; earlier years belong to the ship, not to any company.