Overview
Carbon dioxide (CO₂) is the primary greenhouse gas emitted through human activities. In engineering, CO₂ emission factors are essential for:
- Environmental impact assessments
- Carbon footprint calculations
- Regulatory compliance (carbon tax, cap-and-trade)
CO₂ Emission Factors by Fuel
Electricity Grid Emission Factors
| Country/Region | CO₂ (g/kWh) | Primary Source |
|---|---|---|
| France | 56 | Nuclear (70%) |
| Sweden | 13 | Hydro + Nuclear |
| Norway | 7 | Hydro (95%) |
| Germany | 350 | Coal + Renewables |
| USA (average) | 386 | Gas + Coal |
| China | 555 | Coal (60%) |
| India | 708 | Coal (70%) |
| World average | 436 | Mixed |