en.rocketnews24.com – By Oona McGee – Four Osaka-based companies recently got together to develop a new technology to help mask unpleasant odours emanating from vacuum trucks, which are commonly used to collect sewage from homes. On 29 September, the companies jointly announced that the foul-smelling trucks will now be able to emit a sweet, chocolate-like fragrance instead.
More… http://en.rocketnews24.com/2016/09/30/japanese-sewage-trucks-now-smell-like-chocolate/