Graviky Labs, has developed a system to collect soot from exhaust pipes and convert it to ink or paint for artists. The unit captures up to 95% of the particular matter pollution without inducing back-pressure on the engines. It?s designed with heat and water-proof electronics and materials. You can contact Graviky if you are interested in customizing KAALINK™ for other use-cases, or air pollution capture through fossil-fuel sources.
www.graviky.com/kaalink.html