The lack of education about E15's consequences for small engines has raised concerns from manufacturers and groups such as the Outdoor Power Equipment Institute, this article says. Currently, the only measure to prevent consumers from buying E15 for small-engine products will be a label at the pump, but this may not suffice since they are used to buying one type of fuel for all their needs. Misfueling can result in "higher operating temperatures that will lower engine life due to issues such as valve sealing, piston scoring and head gasket leaking, just to name a few," said Briggs & Stratton spokeswoman Laura Timm.

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