Wells to Wheels

What does “Wells-to-wheels” mean?

Wells-to-wheels emissions take into account the production and distribution of the fuel. It is a type of analysis that allows individuals to compare emissions over the entire life cycle of a vehicle.

Why is Wells-to-Wheels analysis important with electric vehicles?

EVs and PHEVs running on electricity have zero tailpipe emissions, but emissions may be produced by the source of electrical power, such as a power plant.

Emissions Data

National averages of electricity generation by source.

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