Please. Don’t you think you’re getting a little ahead of yourself, worrying about the quantity of petroleum that will be used in producing your filters???I mean, how many supertanker loads of petroleum do you suppose would be required to make all the filters you can sell in the next three decades????
“Their product is also made from soybean oil, making it more sustainable than graphene made from fossil fuels. In the future, the researchers say, it could be made with waste oil.”
It is SICKENING when otherwise useful articles go off-topic with this crap. It’s like Tesla bragging about putting solar panels on their charging stations when those panels, at most, can provide 1% of the energy needed by the cars using those stations.