The inverter type APU for heavy-duty trucks in the North American market was exhibited in the show. This was a proposal from Sawafuji Electric for idling control aiming at environmental protection.
APU: Auxiliary Power Unit
A small-diesel engine driven generator supplies the power to the on-board air-conditioners, TVs, etc. when the vehicle is stopping.
Sawafuji Electric exhibited a magnet-type wind power generator to show the company's efforts for environmental protection.
A wheel-in motor installed into a low-floor axle for large non-step buses was exhibited in the show. This was a proposal from Sawafuji Electric for barrier-free transportation.