1. From the mass consumption, calc the volumetric consumption by fuel by country
2. Calculate the weighted average price for all countries:
Multiply the price by the consumption
Summate for all countries
Divide total by the total consumption (where prices are non-zero)
3. For the real prices, divide each price by the appropriate HICP (2005 = 1) and repeat 2
4. 'Gasoline' equivalent price is obtained by:
Multiply the fuel price by the consumption and divde by its energy relative to unleaded petrol
Summate for the three fuels and divide by the total consumption
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Look for ways to reduce the energy consumption for heating and cooling, for example by sealing windows and doors, insulation or changing the windows. Today it is possible to build ‘carbon neutral’ houses.
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