Chevy Volt plug-in hybrid officially unveiled

We've shown you shots of the upcoming Chevy Volt before, but now the electric vehicle is officially… official. Due in the latter half of 2010, it's the first official plug-in hybrid from a major manufacturer, promising costs of a mere 2 cents per mile compared to 12 cents per mile for traditional cars. Let's take a look at the design, shall we?

Via Jalopnik