Black Tire Bike Co. co-owner Matt Gerstandt, pictured here, said his business has temporarily moved to the former Sports Page location at the Marshalltown Mall, 2500 S. Center St., from its normal ...

Refined carbon black, a byproduct of incomplete combustion of coal and oil, is a key one. Tire manufacturers discovered that adding carbon black, polyester, metal and other synthetic rubber ...

The achievements were realized through a Tire-to-Tire Circular Economy Model consortium collaboration, involving 12 other Korean companies and institutions. The company secured certified carbon black ...