Tailend device to capture particulate matter and turn it into ink – Kaalink

1) Sustainability problem: Air pollution from particulate matter emissions of automobiles  Area: Safety and Health, Waste

  • Particulate matter emissions from automobiles can cause adverse health and environmental effects
  • Fine particles (PM2.5) are the main cause of reduced visibility (haze) in many parts of the world. They can also cause acidification of lakes, depleting nutrients in soil, damaging sensitive forests and farm crops, affecting the diversity of ecosystems and contributing to acid rain effects.
  • Numerous scientific studies have linked particle pollution exposure to a variety of problems, including premature death in people with heart or lung disease, nonfatal heart attacks, irregular heartbeat, aggravated asthma, decreased lung function, increased respiratory symptoms, such as irritation of the airways, coughing or difficulty breathing.

2)  Technology

  •  A tail end attachment device developed by Graviky Labs, named Kaalink, which captures the soot being emitted from automobiles.
  • The proprietary electrostatic filter captures pollutants from vehicles, reportedly without impacting engine performance.
  • The captured soot is then processed to remove dangerous metals and carcinogens, leaving behind carbon pigment used to manufacture what they call Air-Ink.


1) https://www.dezeen.com/2017/03/08/graviky-labs-captures-air-pollution-turns-into-ink-design-products/


3) Stakeholders

  • Local Governments
  • Automobile owners
  • Health and safety officials
  • Environmental policymakers

4) Deployment 

  • Launch a marketing campaign to increase awareness of the product
  • Partnerships with cities and other large organizations to equip fleets with the tail-end device
  • Pricing the product at a low price point to make sure its use is ubiquitous.


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