New OnStar app shows cost of Volt charging
Green Car Congress
OCTOBER 5, 2012
OnStar is testing a smartphone app that tells Chevrolet Volt owners how much it costs to charge their battery and compares their Volt’s energy use with the total energy consumed in their home by day, month or year. The EcoHub app pulls overall home energy usage data, provided by an energy data source such as a utility or smart meter company.
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