www.assemblymag.com/articles/90336-soybean-oil-can-reduce-use-of-petroleum-in-tires

Soybean Oil Can Reduce Use of Petroleum in Tires
July 25, 2012
AKRON, OH—Goodyear researchers have found that using soybean oil in tires can potentially increase tread life by 10 percent and reduce the tiremaker’s use of petroleum by up to 7 million gallons each year. MORE