The equation for calculating the project emissions \( PE_y \) is given as:

\[
PE_y = \sum_{j,x} FC_{j,x,y} \times NCV_j \times EF_{\text{CO}_2,j}
\]

Where:
- \( PE_y \): Total project emissions in year \( y \) (tCO₂/year).
- \( FC_{j,x,y} \): Consumption of fuel by vehicle \( j \) in year \( y \) (quantity of fuel).
- \( NCV_j \): Net calorific value of fuel \( j \) (MJ/unit of fuel).
- \( EF_{\text{CO}_2,j} \): CO₂ emission factor of fuel \( j \) (tCO₂/MJ).

Given:
- \( NCV_j = 37 \, \text{MJ/m}^3 \)
- \( EF_{\text{CO}_2,j} = 0.055 \, \text{tCO}_2/\text{MJ} \)

the value of \( FC_{j,x,y} \) is 142976m³

To calculate the project emissions \( PE_y \), we will substitute the given values into the provided formula:

\[
PE_y = \sum_{j,x} FC_{j,x,y} \times NCV_j \times EF_{\text{CO}_2,j}
\]

Given values are:
- \( FC_{j,x,y} = 142,976 \, \text{m}^3 \)
- \( NCV_j = 37 \, \text{MJ/m}^3 \)
- \( EF_{\text{CO}_2,j} = 0.055 \, \text{tCO}_2/\text{MJ} \)

Substituting these into the formula:

\[
PE_y = 142,976 \, \text{m}^3 \times 37 \, \text{MJ/m}^3 \times 0.055 \, \text{tCO}_2/\text{MJ}
\]

Now, let's perform the calculation:

\[
PE_y = 142,976 \times 37 \times 0.055
\]The total project emissions \( PE_y \) are \( 290,956.16 \, \text{tCO}_2 \) per year.

Do you want more details or have any questions about this calculation?

Here are some related questions to consider:
1. How would the project emissions change if the net calorific value \( NCV_j \) increased?
2. What impact does a change in the CO₂ emission factor \( EF_{\text{CO}_2,j} \) have on the overall emissions?
3. How does the emissions calculation change if there are multiple types of fuels (\( j \)) used in the project?
4. How can we reduce the project emissions based on this formula?
5. What other greenhouse gases besides CO₂ might need to be considered in a comprehensive emissions analysis?

**Tip:** Always check the units of the input values to ensure they are consistent with the formula requirements!

Learn how to calculate project emissions PE_y using the equation PE_y = \sum_{j,x} FC_{j,x,y} \times NCV_j \times EF_{\text{CO}_2,j}. Explore the impact of fuel consumption and CO₂ emission factors on total emissions. Example calculation included.

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