Today on Green Car Reports: New Fisker Karma plug-in hybrids may arrive by 2015, why workplace electric-car charging matters, and Oklahoma adds a fee for homes that connect green energy sources to the grid. All this and more on Green Car Reports.

Electric car buyers are a little younger and wealthier than hybrid buyers, a new study says.

GM may be adding a direct competitor for the Toyota Prius C and Ford C-Max Hybrid "tall wagons"--but will it be a Volt plug-in or not?

Will new Fiskers arrive by 2015? Here's what the company must decide first.

Why does electric-car charging at work matter? It's all about the "duck curve."

Smaller, more fuel-efficient engines have to work harder to keep a car moving, which makes noise suppression more important.

Oklahoma adds a fee for homes that connect green energy sources--including solar and wind--to the grid.

General Motors begins shipping replacement parts as public passions regarding the massive ignition-switch recall cool.

Finally, spy shots of the 2016 Chevrolet Volt extended-range electric car, which is set to debut at the 2015 Detroit Auto Show next January.

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