To reduce its carbon footprint, BMW is trying something innovative if a bit icky: matte-finish paint made out of poop. Don't panic. As in other recycling, there are a lot of steps between sewage and the special-order finish on your M440i.
Biological waste is a source of organic and renewable versions of naphtha and methane, compounds typically involved in paint production. When separated from their gross surroundings, they're virtually identical to the naphtha and methane sourced from petroleum. Starting with waste products means using less fossil fuel, and BMW paint supplier BASF says CO2 emissions in this manufacturing process are 40 percent lower.
This story is from the October 2022 edition of Car and Driver.
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This story is from the October 2022 edition of Car and Driver.
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