What will be the appropriate method to calculate emission (CO2) reduction by EVs?
Well I think that the IPCC 2006 software Can to you help.
Why do you think there will be a reduction. To generate the electrical energy to charge the batteries, you need to burn some carbon material -- Oil, Coal et c. -- to generate the energy. You are wheeling around in a closed Loop.
Bob Hamilton
Richardson Texas USA
Because all of the electricity produced in my country is from hydropower.
That's great, but few places on the planet are so blessed.
Bob Hamilton
You have to consider the full "well-to-wheel" energy path, starting at the raw fuel (typically fossil-based) and get to 1km traveled on the road. So for Petrol/Diesel also consider the roughly 25% of C02 from the manufacturing process before the vehicle C02 emissions. For electric consider the electric generation CO2 mix. Much nuclear (e.g. France) or much solar/wind (e.g. Spain) means low C02 (100g/kWh for France) but mostly goal/gas means very high CO2 (e.g. 1000g/kWh for South Africa). There are several studies done by industry but not many academically robust ones.
For Europe Battery Electrical Vehicles typically come out best by a good margin, even when compared to the latest high-efficiency petrol/diesel vehicles.
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