Perhaps this could be used in other applications, such as cars?
Sources:
http://www.news.com.au/technology/ga...-1226646932266
http://newsfeed.time.com/2013/05/22/...phone-charger/
They look like balloons but transformed but I changed my mind when they "float"/"fly" at different rates in addition to maneuver as no balloon would.
Take a look....
Source: