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Eco-Driving Index

The University of Michigan Eco-Driving Index (EDI) is a national index that estimates the average monthly amount of greenhouse gasses produced by an individual U.S. driver who has purchased a new vehicle that month. The amount of greenhouse gasses emitted when using internal-combustion engines depends on the amount of fuel used. The EDI estimates the amount of fuel used (and thus the amount of greenhouse gasses emitted) by taking into account two primary variables: the fuel economy of the vehicle and the distance driven.

The EDI is developed and updated by Michael Sivak and Brandon Schoettle.

Click here to visit the Eco-Driving Index website (ecodrivingindex.org).