Qaptis develops a kit to capture CO2 before it exits the exhaust

Although the world is gradually moving towards the production of exclusively electric vehicles, petroleum-powered vehicles will continue to be used for many decades. But that doesn’t mean that nothing can be done to mitigate emissions from these types of vehicles. To help, the startup Qaptis has developed a technology that it claims can capture 90% of CO2 emissions from internal combustion engines.

The technology developed by Qaptis uses engine heat to power reversible thermochemical reactions to capture and compress CO2 into a liquid before it exits the tailpipe.

Once in liquid form, the CO2 is stored on board, before being collected. It can then be recycled into new fuels, plastics or carbon fibers, or sold to CO2 end users such as fertilizer manufacturers.

Qaptis, born from the Swiss university EPLF, is supported by the Federal Office for the Environment and received an initial loan from the Foundation for Technological Innovation, as well as funds from a crowdfunding campaign.

The company hopes to develop the technology in kit form, which can be easily retrofitted to existing vehicles.


Qaptis is not the only company working to reduce emissions from existing vehicles. Other companies are developing new ways to sequester CO2, such as turning it to stone or sequestering it in giant algae ponds.

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