With just two months to go before GM and Nissan (NSANY.PK) begin selling their plug-in electric vehicles to the public, the federal government still hasn’t decided how to measure the official miles-per-gallon figures for the cars.
According to a New York Times story, the two car makers are anxiously awaiting a decision from the EPA on the ratings, which are likely to have a big impact on consumers’ impressions of the Nissan Leaf and the Chevrolet Volt.
The customary city and highway mpg figures don’t work for the vehicles, which travel for limited ranges on battery-stored electricity.
The EPA last month proposed changing new-car labeling for all vehicles. One proposal included using letter grades to communicate a vehicles environmental and fuel consumption impact. But, if adopted, the new labels would not go into use until 2012.
In the meantime, the EPA might end up putting a lot of different information on the window stickers of the new vehicles, taking into account a range of driving and charging variables.
Read the full story at the link below.
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