Correct. AE stands for Aero Electric. This trailer is designed to achieve the lowest drag coefficient possible in "Road Mode" (ie canopy down). The trailer, while in tow by the tow vehicle is about as drag efficient moving down the road as a Tesla Model 3, using something less than 250 watt hour...
I have seen little evidence of progress with the Airstream eStream and Pebble seems to be missing all of their progress dates.
LightShip just closed on a $34 million Series B financing initiative. Of interest one of the investors in LightShip is Thor Industries, parent company of Airstream...