The Task Exposure Indexv2026.Q3
Occupation · SOC 17-2141.01 · Job Zone 4

AI exposure: Fuel Cell Engineers

Design, evaluate, modify, or construct fuel cell components or systems for transportation, stationary, or portable applications.

Reading this score

computed

37.6% of this occupation's weighted task load is exposed, which puts Fuel Cell Engineers at the 66th percentile of 923 occupations. The capability is largely there. Its average task scores 2.6 out of 4 on what a current system can produce, and the frictions that hold other jobs in place are comparatively weak here.

What holds the line here is verification cost. Across this occupation's 26 tasks it averages 1.97 out of 3, the highest of the five friction dimensions. In plain terms, checking the output costs more than producing it. Where an undetected error is expensive, dangerous or irreversible, the economics change. Someone has to verify the work, and verifying can cost as much as doing it. This is the friction most likely to fall as tools for checking improve.

The most exposed thing this job does is Write technical reports or proposals related to engineering projects, at 73.3%. The least is Conduct fuel cell testing projects, using fuel cell test stations, analytical instruments, or..., at 8.3%. A gap of 65.0% between two parts of the same job is the reason this index publishes at task level. An occupation-wide number would have hidden both.

Within architecture and engineering occupations, this one is more exposed than most. The median across the 56 roles in the group is 37.5%, and only 25 of them score higher than this. Occupational families are not uniform, and the spread inside them is often wider than the gap between them.

What would move this score. Of 26 tasks, 15 are currently banded exposed, 8 assisted and 3 untouched. For that distribution to shift materially would take a change in who is permitted to sign the work, which is a question for regulators rather than for engineers. The score is re-computed every quarter against a fresh capability reference, and the change is published rather than quietly applied.

Task by task

26 tasks, O*NET 31.0
TaskExposedAssistedUntouchedImportanceBand
Write technical reports or proposals related to engineering projects.73.3%26.7%0.0%3.55exposed
Analyze fuel cell or related test data, using statistical software.66.7%33.3%0.0%3.95exposed
Calculate the efficiency or power output of a fuel cell system or process.66.7%33.3%0.0%3.32exposed
Read current literature, attend meetings or conferences, or talk with colleagues to stay abreast of new technology or competitive products.65.0%10.0%25.0%3.73exposed
Provide technical consultation or direction related to the development or production of fuel cell systems.50.0%25.0%25.0%4.14exposed
Identify or define vehicle and system integration challenges for fuel cell vehicles.50.0%25.0%25.0%3.35exposed
Coordinate fuel cell engineering or test schedules with departments outside engineering, such as manufacturing.50.0%25.0%25.0%3.29exposed
Develop or evaluate systems or methods of hydrogen storage for fuel cell applications.50.0%25.0%25.0%2.94exposed
Plan or conduct experiments to validate new materials, optimize startup protocols, reduce conditioning time, or examine contaminant tolerance.45.0%30.0%25.0%4.18exposed
Define specifications for fuel cell materials.45.0%30.0%25.0%3.77exposed
Recommend or implement changes to fuel cell system designs.45.0%30.0%25.0%3.77exposed
Simulate or model fuel cell, motor, or other system information, using simulation software programs.45.0%30.0%25.0%3.42exposed
Plan or implement fuel cell cost reduction or product improvement projects in collaboration with other engineers, suppliers, support personnel, or customers.43.3%31.7%25.0%3.95exposed
Conduct post-service or failure analyses, using electromechanical diagnostic principles or procedures.40.0%35.0%25.0%3.80exposed
Design or implement fuel cell testing or development programs.35.0%40.0%25.0%3.59assisted
Authorize release of fuel cell parts, components, or subsystems for production.30.0%20.0%50.0%3.28exposed
Develop fuel cell materials or fuel cell test equipment.23.3%26.7%50.0%3.68assisted
Characterize component or fuel cell performances by generating operating maps, defining operating conditions, identifying design refinements, or executing durability assessments.20.0%30.0%50.0%4.14assisted
Validate design of fuel cells, fuel cell components, or fuel cell systems.20.0%30.0%50.0%3.73assisted
Manage fuel cell battery hybrid system architecture, including sizing of components, such as fuel cells, energy storage units, or electric drives.20.0%30.0%50.0%3.59assisted
Design fuel cell systems, subsystems, stacks, assemblies, or components, such as electric traction motors or power electronics.20.0%30.0%50.0%3.42assisted
Evaluate the power output, system cost, or environmental impact of new hydrogen or non-hydrogen fuel cell system designs.20.0%30.0%50.0%3.23assisted
Integrate electric drive subsystems with other vehicle systems to optimize performance or mitigate faults.20.0%30.0%50.0%3.11assisted
Prepare test stations, instrumentation, or data acquisition systems for use in specific tests of fuel cell components or systems.13.3%11.7%75.0%3.68untouched
Fabricate prototypes of fuel cell components, assemblies, stacks, or systems.13.3%11.7%75.0%3.64untouched
Conduct fuel cell testing projects, using fuel cell test stations, analytical instruments, or electrochemical diagnostics, such as cyclic voltammetry or impedance spectroscopy.8.3%16.7%75.0%3.95untouched

Task text and importance ratings sourced from O*NET 31.0. Shares computed. The occupation score is the importance-weighted mean.

Where the score comes from

judged

Every task is scored through the standardised work activities it maps to. These are this occupation’s averages on the six rubric dimensions. Capability is what AI can do; the other five are what stands in the way.

DimensionMeanScale
Capability2.580-4
Embodiment0.920-3
Presence0.350-3
Accountability1.590-3
Context1.850-3
Verification cost1.970-3

What this means in practice

Where most of a role's weighted task load is exposed, the work that survives is usually the part of the job nobody wrote into the job description: deciding what should be produced rather than producing it, and being answerable for the result. The tasks lowest on this page are a better guide to where to spend your time than any general advice about the future of work.

Occupations either side of this one

The four closest scores in the same occupational family, then the four closest anywhere in the index.

Read this carefully. Exposure is not displacement. A high score means current AI systems can produce this work, not that anyone will stop paying a person to do it. Adoption depends on economics, regulation and inertia that this index deliberately does not model. How the score is built.