Enter Transport Inputs
Example Data Table
| Shipment | Distance (km) | Trips | Payload (tons) | Fuel Type | Fuel per km | Estimated CO2e (kg) |
|---|---|---|---|---|---|---|
| Steel coils | 450 | 12 | 18 | Diesel | 2.9 | 20,633.50 |
| Plastic resin | 180 | 20 | 12 | CNG | 1.8 | 8,514.00 |
| Finished goods | 620 | 8 | 10 | Electric | 1.4 | 3,937.60 |
Formula Used
Effective Payload = Rated Payload × (Load Utilization ÷ 100)
Laden Distance = One-Way Distance × Trips
Empty Distance = Laden Distance × (Empty Return % ÷ 100)
Total Distance = Laden Distance + Empty Distance
Main Use = Total Distance × Fuel or Power per km
Idle Use = Idle Hours × Idle Use per Hour
Total Use = Main Use + Idle Use
Tank-to-Wheel Emissions = Total Use × Emission Factor
Refrigeration Emissions = Refrigeration kWh × Electricity Factor
Core Operational Emissions = Tank-to-Wheel + Refrigeration
Upstream Emissions = Core Operational × (Upstream % ÷ 100)
Packaging Allocation = Core Operational × (Packaging % ÷ 100)
Total Emissions = Core Operational + Upstream + Packaging
Ton-Kilometers = Effective Payload × Laden Distance
kg CO2e per ton-km = Total Emissions ÷ Ton-Kilometers
How to Use This Calculator
- Enter a shipment name and choose the transport mode.
- Pick the fuel or power source used by the fleet.
- Add one-way distance, trip count, and rated payload.
- Enter average load utilization and expected empty return share.
- Provide fuel, gas, or electricity use per kilometer.
- Add idle use, refrigeration energy, and upstream percentages when relevant.
- Submit the form to view total emissions, intensity, and trip averages.
- Use the CSV or PDF buttons to export the calculated report.
FAQs
1. What does this calculator measure?
It estimates transport-related greenhouse gas emissions for manufacturing shipments. It combines loaded travel, empty returns, energy use, idling, refrigeration, and optional upstream allocations into a single CO2e result.
2. Why is load utilization important?
Load utilization changes the useful freight moved per trip. Lower utilization usually increases emissions per ton-kilometer because the vehicle covers similar distance while carrying less productive cargo.
3. Should I include empty return distance?
Yes. Empty repositioning often adds major emissions in factory logistics. Including it improves reporting accuracy and helps identify routing, backhaul, and network optimization opportunities.
4. Can this calculator work for electric fleets?
Yes. Select Electric and enter kWh per kilometer. The calculator then applies the electricity emissions factor and can also include separate refrigeration electricity use.
5. What is upstream factor?
Upstream factor represents pre-combustion or pre-delivery emissions from fuel supply or energy production. It helps produce a broader footprint beyond direct vehicle operation alone.
6. What unit is carbon intensity shown in?
The main intensity output is kilograms of CO2e per ton-kilometer. This is useful for comparing routes, carriers, products, and transport modes on a normalized basis.
7. Can I use this for internal plant movements?
Yes. It can estimate yard shuttles, warehouse transfers, and site distribution moves. Use realistic trip distances, idle time, and payload assumptions for better results.
8. Why export CSV or PDF reports?
Exports support sustainability reviews, supplier discussions, management reporting, and audit trails. They also make it easier to compare scenarios and retain a clear calculation record.