Shell Eco-marathon United States 2026 | Experimental Vehicle Team 2

United States 2026

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212

US0084002 Experimental Vehicle Team 2

Saint Thomas Academy

Prototype P Hydrogen Fuel Cell H2

Results

Attempt 3

418.9

260.3

km/m3

mi/m3

Best attempt

Current Rank

1st / 2

1 418.9 km/m3 260.3 mi/m3

2 200.4 km/m3 124.5 mi/m3 -52.2%

Technical Inspections

Before they get on track, Prototype vehicles need to pass a series of 9 technical inspections. For some, the only goal is getting through this test. Many never even make it that far.

9/9
Complete 9/9 inspections passed

Passed

1. Inspection Queue Entry

4 / 4

Passed

2. Driver's Control

26 / 26

Passed

3. Vehicle Dimensions

6 / 6

Passed

4. Brakes

8 / 8

Passed

5. Driver Safety

26 / 26

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 Vehicle Design

27 / 27

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. Final Check

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Americas 2025	Prototype P	Battery Electric Battery Electric	1	340.71km/kWh 211.71mi/kWh
Americas 2024	Prototype P	Battery Electric Battery Electric	1	444.56km/kWh 276.24mi/kWh
Americas 2023	Prototype P	Battery Electric Battery Electric	4	408.57km/kWh 253.87mi/kWh

United States 2026

US0084002 Experimental Vehicle Team 2

Saint Thomas Academy

Results

Attempt 1

Attempt 2

Attempt 3

Attempt 4

Current Rank

Technical Inspections

1. Inspection Queue Entry

2. Driver's Control

3. Vehicle Dimensions

4. Brakes

5. Driver Safety

6. Mechanical Vehicle Design

7. Electrical Vehicle Design

8. Energy Verification

9. Final Check

Previous participation