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How we calculate CO2 emissions from your car use
How we calculate CO2 emissions from your car use

Basis for calculating carbon dioxide emissions

Updated over 11 months ago

With our Save the Future! feature, we strive to draw everyone's attention to the amount of CO₂ they emit. We can calculate this more accurately the more information we have about your vehicle and your vehicle usage habits.

Here's how we calculate CO₂ emissions:

  • If someone does not specify their vehicle type during registration and does not have a Beat, we do not know either the average emission associated with the fuel type or the distance they have travelled. To still provide all our users with some data about their CO₂ emissions, in case we lack the aforementioned data, we calculate based on the average emissions of a gasoline engine type (the most common) and consider the average distance travelled as 1500 km/month.

  • In our current calculation system, we base on the average emission according to the user's registered vehicle data, for which we use the Eurotax database. According to Eurotax data, the following amounts of CO₂ emissions are associated with each type of fuel:

    • bioetanol: 17,61g/100 km

    • dízel: 125,24 g/100 km

    • benzin: 114,29 g/100 km

    • hibrid-dízel: 79,96 g/100km

    • hibrid-benzin: 114,92 g/100km

  • Regarding electric cars, it is often raised that although they do not produce CO₂ while driving, the electricity needed for their operation also burdens the environment. Therefore, in the app, we also associate pollutant emissions with electric cars, which we calculated based on the Hungarian Energiamix(LINK) and an average consumption of 16 kWh/100 km. Accordingly, electric cars are responsible for an average emission of 38.09 g/100 km.

Future Plans

Our future goal is to use the factory CO₂ emission value in the app after the registration of cars, for which we will also use the official Eurotax database. However, it is important to note that factory values may significantly differ from actual emissions, especially in the case of older vehicles, so the indicated value is only an estimate, and the real emissions may be higher.

How many saplings are needed to offset the estimated carbon dioxide emissions?

In consultation with the MyForest team, taking into account the CO₂ sequestration capacity of local tree species, the proportion of trees expected to grow, and the expected lifespan of trees, we plant 15 saplings to offset 1 ton of CO₂ emissions.

How much does it cost to plant one tree?

We need a donation of 750 HUF to plant a tree. The MyForest Foundation calculated the cost of planting trees based on the following aspects:

  • land acquisition price (purchase/lease of land),

  • groundworks: bush clearing, deep plowing

  • temporary game fence (for the protection of the areas and the saplings)

  • the cost of saplings, their transportation, and planting

  • the operating costs of the foundation (everyone works voluntarily at the foundation, but the rest of the costs are covered by donations)


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