Paano Kalkulahin si Emissions Factor
Ano ang Emissions Factor?
Emissions factors convert activity data (fuel burned, electricity used) to greenhouse gas emissions. They vary by fuel type, region, year.
Pormula
Emissions = Activity × Emissions Factor
Step-by-Step na Gabay
- 1Emissions = Activity × Emissions Factor
- 2Gasoline: ~2.3 kg CO₂/liter, electricity: 0.2-0.8 kg CO₂/kWh (regional)
- 3Factor varies with grid composition (coal heavy = higher)
Mga Nalutas na Halimbawa
Input
Drive 1000 km, car uses 5 L/100km, total 50 L fuel
Resulta
50 L × 2.3 kg CO₂/L = 115 kg CO₂ emissions
Typical car trip
Mga Karaniwang Mali na Dapat Iwasan
- ✕Using national average when regional factor available
- ✕Forgetting to account for upstream emissions
Mga madalas itanong
Why do electricity emissions vary by region?
Coal-heavy grids (high factor), nuclear/wind grids (low factor). US average ~0.4, coal region ~0.8 kg CO₂/kWh.
Are lifecycle emissions included?
Basic factors only include combustion. Full lifecycle includes extraction, production, transport.
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