At the end of its current season, NASCAR will surpass 10 million competition miles on Sunoco (sun-know’-co) Green E15, a biofuel blended with 15 percent American-made ethanol. The miles have …
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At the end of its current season, NASCAR will surpass 10 million competition miles on Sunoco (sun-know’-co) Green E15, a biofuel blended with 15 percent American-made ethanol. The miles have …