Shell Eco-marathon Poland 2026 | Hydrogreen Team POLLUB - Hydros

Poland 2026

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208

PL0005001 Hydrogreen Team POLLUB - Hydros

Lublin University of Technology

Prototype P Hydrogen Fuel Cell H2

Results

Attempt 4

302.7

188.1

km/m3

mi/m3

Best attempt

Current Rank

6th / 9

5 336.9 km/m3 209.3 mi/m3 +11.3%

6 302.7 km/m3 188.1 mi/m3

7 290.5 km/m3 180.5 mi/m3 -4.0%

Technical Inspections

Before they get on track, Prototype vehicles need to pass a series of 10 technical inspections. For some, the only goal is getting through this test. Many never even make it that far.

10/10
Complete 10/10 inspections passed

Passed

1. Inspection Queue Entrance

4 / 4

Passed

2. Driver Checks

25 / 25

Passed

3. Brakes

10 / 10

Brake documentation (67 c ii)

2 independently operated Hydraulic brake system 1 front & 1 rear (43 a)

Foot operated front brake by single pedal (43 a)

Rear brake by single lever or pedal (43 a)

Brake pedal 1,000 mm², min width 30 mm (43 a v)

Brake rotors point in direction of wheel rotation (43 a)

No acting on tyres (43 a)

All wheels have brakes (43 a)

Ergonomy (43 a)

Effectiveness Ramp Test - Dynamic (43 b)

Passed

4. Driver Safety

26 / 26

Passed

5. Vehicle Dimensions

6 / 6

Passed

6. Mechanical Vehicle Design

20 / 20

Vehicle weight < 140 kg (39 g)

Windows material (polycarbonate/Lexan) (25 f)

Electrical automotive horn, sound level > 85 dBa @ 4 m (31 a-c)

Fully closed body (25 h, k)

Solid floor & frame (25 j)

No external appendages or sharp edges (25 c)

Body panels do not change shape in wind (25 b, d)

Chain/belt guard (all rotating equipment) (34 g)

Running wheels (Pr:3/4) (25 a) i )

Rims compatible with the dimensions of the tyre (41 a-b)

Wheel compliance (41 a, 48 c)

Tyres are in good condition (49 d)

Tyre valves are accessible (49 f)

Bulkhead rigid & fire resistant (27 b, d)

Bulkhead isolates energy/driver compartment (27 a)

Wheels isolated from driver, chassis, or body (41 c)

Nothing touching wheels (e.g. batt, wires, etc...) (41 d)

Steering is efficient and has no play (32 b)

If electric steering, demonstrate default safe state (32 d)

Intuitive steering control (32 b)

Passed

7. Electrical Design

31 / 31

Passed

8. Energy Verification

19 / 19

Documentation (schematic, H2 flow, fuel cell, regulator) (65 a) i, 67 c)

No external starter battery (65 k) i)

Hydrogen cylinder firmly installed (65 b) iv)

Regulator installed correctly (65 a) iv 1)

Pipe H2 suitable, S.Steel (1.0 bar), PTFE (<1.0 bar) (65 e)

Connectors H2 OK (comp type, no Teflon) (65 e) iv)

Normally closed solenoid valve (37 f) i)

Pressure relief valve installed and set correctly (65 a) iv 4)

Pressure relief valve vents outside vehicle (65 a) iv 4)

Purge pipe vents outside or not used (65 f)

Correct system design (65 a) iv)

2 ventilation holes 5 cm² (65 c)

Hydrogen sensor at highest point (65 d)

Leak Check OK (65 d)

Flowmeter installed and functioning (65 a) v, g) iii)

JM Counting Correctly (56 c)

Supercap Joulemeter reading voltage & Energy (65 i) iii)

Emergency shutdown function (H2 Valve & Propulsion) (37 f) ii)

Efficiency of Estop (3 methods, valve/MC) (37 f) ii)

Passed

9. Telemetry

3 / 3

Passed

10. Final Checks

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Europe and Africa 2025	Prototype P	Hydrogen Fuel Cell H2	8	324.94km/m3 201.91mi/m3
Europe and Africa 2024	Prototype P	Hydrogen Fuel Cell H2	-	Passed technical inspection
Europe and Africa 2023	Prototype P	Hydrogen Fuel Cell H2	6	399.64km/m3 248.33mi/m3
France I 2022	Prototype P	Hydrogen Fuel Cell H2	5	265.75km/m3 165.13mi/m3

Poland 2026

PL0005001 Hydrogreen Team POLLUB - Hydros

Lublin University of Technology

Results

Attempt 1

Attempt 2

Attempt 3

Attempt 4

Attempt 5

Current Rank

Technical Inspections

1. Inspection Queue Entrance

2. Driver Checks

3. Brakes

4. Driver Safety

5. Vehicle Dimensions

6. Mechanical Vehicle Design

7. Electrical Design

8. Energy Verification

9. Telemetry

10. Final Checks

Previous participation