Mazda Tests Mobile Carbon Capture System in Japan, Captures 804g of CO2 in 24 Hours
2026-06-21 11:24
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en.Wedoany.com Reported - Mazda tested its Mobile Carbon Capture system at the Super Taikyu endurance championship, capturing 804 grams of carbon dioxide in 24 hours. The system was installed on a Mazda Spirit Racing 3 Future Concept car, which participated in the Super Taikyu endurance championship held in Japan over the weekend of June 6. This figure represents a significant improvement over the previous capture amount of 84 grams, but remains minimal compared to the actual emission scale of production vehicles.

This prototype uses zeolite material to capture carbon dioxide from exhaust gases. Once the material is saturated, engine heat can release the CO2, which is then compressed by an electric compressor and stored in an onboard tank. Mazda stated that its goal is not to replace electric vehicles, but to extend the lifespan of internal combustion engines by combining carbon-neutral fuels with onboard partial emission capture technology.

CO2 storage tank integrated into the race car. ©Mazda

Mazda envisions that through the combination of neutral fuels and onboard capture technology, vehicles could reduce more CO2 than they emit. However, this goal faces numerous practical obstacles, including weight, cost, space occupancy, tank emissions, and the utilization of captured CO2. Currently, this technology is more of a mobile laboratory than a market-ready final solution. It demonstrates that Mazda has not abandoned its exploration of improving internal combustion engine technology amid the automotive industry's transition to electrification.

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