Mazda Unveils Vision X-Coupe Concept: A Car That Captures Its Own Exhaust

Mazda has revealed the Vision X-Coupe, a concept sports car that reportedly captures and processes carbon dioxide emissions as the vehicle accumulates mileage. The car features Mazda’s proprietary Mobile Carbon Capture technology, designed to filter CO₂ directly from the exhaust system.

The gas filtration system uses a material called zeolite, a porous mineral with a microscopic network of holes. Acting like a sponge, zeolite absorbs and traps a portion of the carbon dioxide. According to Mazda, the captured CO₂ can later be removed or repurposed — for example, to support plant growth or to produce high-performance carbon materials used across various industries, including automotive manufacturing.

To test its effectiveness, Mazda installed the system on a Mazda 3 race car competing in Japan’s Super Taikyu endurance racing series. During a four-hour race at Fuji International Speedway, the system successfully absorbed part of the CO₂ that would otherwise have been released into the atmosphere. The tests also demonstrated that the system can withstand high temperatures, vibrations, and extended operating times.

Design Boom notes that the Vision X-Coupe could represent a middle ground between electric vehicles and traditional internal combustion cars, combining the benefits of both. Mazda’s team now plans to continue testing to further optimize the system’s efficiency.