Build a Freight Emissions Modeler and Shipper Benchmark Tool
Calculate Scope 3 freight greenhouse gas emissions for Singapore port drayage and feeder voyages. Benchmark carrier operational sustainability to generate shipper comparative reports.
What you are building
The core problem, expected build, and operating context for this challenge.
Calculate Scope 3 freight greenhouse gas emissions for Singapore port drayage and feeder voyages. Benchmark carrier operational sustainability to generate shipper comparative reports.
Supply Chain Sustainability Manager
Retrieve real-time weather and rainfall observations from Singapore data.gov.sg.
Combine cargo tonnage and corridor distance to calculate baseline emissions.
Apply weather friction penalties to haulage fuel consumption models.
Compile comparative shipper emissions reports and highlight low-carbon routing options.
Interactive reporting workspace displaying modality carbon intensity graphs and shipper performance matrices.
Fetch live rainfall measurements from data.gov.sg real-time weather APIs; mock feeder vessel bunker logs. Starter examples below are synthetic. They are not downloaded records.
Singapore open data API Consumes Singapore data.gov.sg real-time weather APIs to model heavy rain impedance on urban freight fuel consumption.
langgraph, pydantic, httpx. LangGraph orchestrates multi-step simulation cycles linking weather telemetry, drayage models, and comparative report drafting. API-hosted model for drafting multimodal green freight optimization recommendations.
Submit runnable source, pinned dependencies, setup commands, a working interface, example outputs, and a recorded end-to-end demo. Include tests and an action log.
Calculate voyage and drayage CO2e emissions using standardized activity-based emission factor models.
Incorporate Singapore real-time rainfall data to adjust fuel consumption curves for road haulage.
Produce comparative shipper emissions scorecards across multiple transport modalities.
Generate downloadable sustainability reporting packages compliant with corporate Scope 3 frameworks.
```json [ { "input": { "cargo_weight_teu": 4, "drayage_km": 32, "rainfall_mm": 18.5, "transport_mode": "heavy_truck_diesel" }, "expected_output": { "adjusted_co2e_kg": 118.45, "baseline_co2e_kg": 105.6, "carrier_grade": "B", "weather_penalty_percent": 12.17 } }, { "input": { "cargo_weight_teu": 0, "drayage_km": 32, "rainfall_mm": 0, "transport_mode": "heavy_truck_diesel" }, "expected_output": { "error": "INVALID_CARGO_WEIGHT", "status": "CALCULATION_ABORTED" } } ] ```
Calculations serve as internal analytical comparisons; no binding carbon offsets or tax filings are executed. Use mock external writes. Require human review before any real deployment.
Participation guide
Calculations serve as internal analytical comparisons; no binding carbon offsets or tax filings are executed. Use mock external writes and human review.
How work is evaluated
Calculate voyage and drayage CO2e emissions using standardized activity-based emission factor models. Incorporate Singapore real-time rainfall data to adjust fuel consumption curves for road haulage. Produce comparative shipper emissions scorecards across multiple transport modalities. Generate downloadable sustainability reporting packages compliant with corporate Scope 3 frameworks.
Runnable source, pinned dependencies, setup commands, working interface, example outputs, recorded demo, tests, and action logs.
Challenge datasets
Public datasets, plus the private datasets you have access to.
How submissions are scored
These dimensions define what the evaluator checks and which criteria separate a passable run from a strong one.
Complete workflow
Retrieve real-time weather and rainfall observations from Singapore data.gov.sg. Combine cargo tonnage and corridor distance to calculate baseline emissions. Apply weather friction penalties to haulage fuel consumption models. Compile comparative shipper emissions reports and highlight low-carbon routing options.
Missing or incorrect.
Partly complete, with documented gaps.
Complete, with reproducible evidence.
Correctness and evidence
Calculate voyage and drayage CO2e emissions using standardized activity-based emission factor models. Incorporate Singapore real-time rainfall data to adjust fuel consumption curves for road haulage. Produce comparative shipper emissions scorecards across multiple transport modalities. Generate downloadable sustainability reporting packages compliant with corporate Scope 3 frameworks.
Missing or incorrect.
Partly complete, with documented gaps.
Complete, with reproducible evidence.
Review interface
Interactive reporting workspace displaying modality carbon intensity graphs and shipper performance matrices.
Missing or incorrect.
Partly complete, with documented gaps.
Complete, with reproducible evidence.
Safe execution
Calculations serve as internal analytical comparisons; no binding carbon offsets or tax filings are executed.
This dimension contributes its full weight only when the submission satisfies the requirement. Partial credit is not awarded.
What you should walk away with
Retrieve real-time weather and rainfall observations from Singapore data.gov.sg.
Combine cargo tonnage and corridor distance to calculate baseline emissions.
Apply weather friction penalties to haulage fuel consumption models.
Compile comparative shipper emissions reports and highlight low-carbon routing options.
Reference links and supporting material
Fetch live rainfall measurements from data.gov.sg real-time weather APIs; mock feeder vessel bunker logs. Supplied starter examples are synthetic, not source extracts.
Challenge setup
Configuration summary for this challenge.
Challenge input
Input details are not configured.
LangGraph
Runtime for stateful agent workflows.
Evaluated output
No output checks are configured.
- Retrieve real-time weather and rainfall observations from Singapore data.gov.sg. Combine cargo tonnage and...
- Calculate voyage and drayage CO2e emissions using standardized activity-based emission factor models. Incor...
- Interactive reporting workspace displaying modality carbon intensity graphs and shipper performance matrices.
- 2 public reference cases
- 2 configured tools
Summary shows the first task, up to three tools, and up to three evidence items. Open the technical recipe to view all configured items.
View technical recipe
Configured tools
- LangGraph · Optional
- LangGraph · Optional
Evaluation contract
- Complete workflow · Weight 40
- Correctness and evidence · Weight 30
- Review interface · Weight 20
- Safe execution · Weight 10
Reference cases
- 2 public reference cases
Workflow tasks
No workflow tasks are configured.
Recipe freeze marker
No recipe freeze time is recorded.