Wishful thinking?

Nomadic Powers, makers of battery trailers, embraces Tesla CEO Elon Musk who loudly considered batteries to tow when asked for 800 mile range. However, Musk also mentioned that he slept only an hour the night before and might not think clear entirely. Clever idea or not, it is clever PR indeed.
nomadicpower.de, youtube.com (Musk video, 16:45)