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Goodyear experimenting with soybean oil in tire production


DALLAS, Texas – Goodyear is working towards replacing conventional oil with soybean oil in production of some its truck tires.

The company is already producing several consumer tires with soybean oil, which offers performance benefits in cold weather. Mike Kerns, global R&D leader with Goodyear, explained during the company’s No Limits customer conference, that soybean oil boasts a lower glass transition temperature – the point at which material stops becoming elastic and becomes more “glassy.”

“It lowers that transition temperature so it can maintain pliability at much lower temperatures,” Kerns explained.

Soybean oil is North America’s most abundant bio-oil and is a by-product of production. As such, producers have been looking for new uses for the oil. Initially, Goodyear researchers felt it would improve tread wear over petroleum.

“We thought at first, this is really going to improve our tread wear,” Kerns said. “It didn’t really dramatically improve our tread wear. There was maybe a marginal improvement. But what really stood out was the low-temperature pliability. That really changed the game. We knew that was an advantage.”

Goodyear now produces an all-season three-peak snowflake rated passenger car tire using soybean oil as a complete replacement to petroleum. It’s working on bringing the technology to commercial truck tires, but Kerns said it’s likely one to five years away from becoming commercialized in that market.

“I wouldn’t say that we are working on producing petroleum-free truck tires as a goal, but rather that we are looking to leverage the benefits of soy oil where it makes sense,” Kerns said. “Petroleum-free is not the goal, per se, but it is not totally impossible to imagine how that could happen eventually. We are actively looking at soy oil in key components like treads first, and we will continue from there.”


James Menzies

James Menzies

James Menzies is editor of Truck News magazine. He has been covering the Canadian trucking industry for more than 15 years and holds a CDL. Reach him at james@newcom.ca or follow him on Twitter at @JamesMenzies.
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