How our CO2 calculator works

The CO₂ calculator measures emissions from fuel or electricity used by the product. Emissions are calculated by multiplying hourly energy consumption with yearly time in use and energy-specific emission factors.

 

• Hourly energy consumption: Based on the machine's specifications (e.g., liters of petrol per hour or machine rated power).
  
  
• Time in use: Users provide an estimate of weekly usage hours per unit.
  
  
• Emission factors: For fuels, expressed in kg CO₂e/liter (source: DEFRA). For electricity, expressed in kg CO₂e/kWh, varying by country (source: IEA). These factors account for the full life cycle emissions, from raw material extraction to fuel combustion. They are updated annually with one year delay.

 

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