How Much Do Plug-In Hybrids Plug In? Volt Has Most Electric Miles, Data Shows

It’s one of the big unknowns about plug-in hybrids: How much do they actually get plugged in? Battery-electric cars have to plug in to remain usable, but plug-in hybrids and range-extended electric vehicles don’t. And while some makers–most notably Chevrolet and Ford–happily release data showing that their drivers plug in more than expected… …read more