Transitioning to Hydrogen Fueled Fishing Vessels in Digby, Nova Scotia
Bibliographic record
Abstract
Nova Scotia’s commitments to net-zero by 2050 has led to many industries searching for ways to decarbonize. In alignment with this goal the Municipality of Digby is looking at the opportunity to produce green hydrogen locally at their wharf for use in marine vessels. This includes the electricity production from wind energy and hydrogen production from water electrolysis. This paper looks at the energy requirements and cost to do this at the local level. Four scenarios for hydrogen production are mapped out to provide options to Digby. From the scenarios the levelized cost of hydrogen ranges from $5.26-8.01/kg. This cost for hydrogen is enough to drop the 20-year-lifecycle operating cost of a hydrogen-hybrid vessel to be $456,495- 533,830, which is still higher than the operating cost of diesel vessel at $349,040 but is close enough to make bidirectional charging and government subsidies feasible to cover the cost differential.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.044 | 0.004 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; both teacher heads agree on what is shown here.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".