The Guardian says: "The smoke ring mechanism has been put on hold, in part because Peter Madsen, the artist who helped design it, was sentenced to life in priso

The Guardian says: "The smoke ring mechanism has been put on hold, in part because Peter Madsen, the artist who helped design it, was sentenced to life in prison for murder." https://www.theguardian.com/world/2019/feb/13/danish-waste-to-energy-projects-key-selling-point-ski-slope https://www.theguardian.com/world/2019/feb/13/danish-waste-t... Maybe somebody overstated when talking to the journalist, or maybe the company understated his position in some short of PR movement...