UCS based its modeling on the Nissan LEAF and Tesla Model S, two cars at opposite ends of the all-electric spectrum, in order to update its breakdown by regions to account for local energy generation. You can see the map below the fold, as well as the full study:
In addition to the map, UCS offers a free and useful online tool called “How Clean is Your Electric Vehicle?” which determines the amount of CO2 emission per miles your electric vehicle produces based on its make, model, year and average electricity sources in your ZIP code.
Here’s the full study:
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