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While EV efficiencies vary among makes and models, the estimated average for popular EVs is
18.7kWh/100km. The average efficiency for comparable Internal Combustion Engine (ICE) vehicles is
8.5L/100km. This means that, for every kWh consumed by an EV, a similar ICE vehicle would consume
0.45L of gasoline. At a factor of 2.3kgCO2e/L of gasoline, every kWh represents 1.05kgCO2e of avoided
greenhouse gases (GHGs) from gasoline combustion. However, since Ontario’s electricity grid has an
average annual emissions factor of 0.031kgCO2e/kWh, on a net basis, every kWh of electricity consumed
by EVs represents 1.012kgCO2e of total avoided GHGs. |
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