The company's spokeswoman declined to offer any details when contacted by AutoblogGreen.
Tesla has rolled out a few supercharging stations across the country, but using those stations can be time-consuming.
Yahoo noted Tesla may be dusting off an old idea with electric vehicles -- battery swapping. The process could expand the range of electric cars, but there aren't any facilities currently capable of doing it, or not quickly.
The Model S, which was recently rated the highest by Consumer Reports, was reportedly built with battery swapping in mind, according to Yahoo. Tesla also alluded to battery swapping and developing facilities to do it in its latest quarterly report.