You won’t see them on the street any time before the summer of 2020, but German startup Sono Motors has revealed a new solar-powered electric car with a strange twist: strands of moss integrated into the vehicle’s dashboard that help the car’s air filtering system.

As pointed out by Electrek, the moss is no longer alive — but that doesn’t stop it from keeping the air inside the cabin as fresh as possible, according to Sono Motors.

“[The air filtration system] uses electrostatic gravitation to filter up to 20% of particulate matter out of the air while offering positive effects for the temperature and humidity inside the Sion,” Sono claims on its website.

Read More: