With such an impressive concept, the obvious question was: When might we see it?
"I think it's going to be around 2015, maybe," said Inoue. "This is a concept car, so it's not for tomorrow morning, but all the technology here is pretty realistic. Cost-wise there are many hurdles. The battery cost is very expensive, but like a mobile phone, when we looked at this for the first time it was big thing, heavy thing, very expensive, but now it's a commonsense tool."