NASCAR Sprint Cup: What If the Circuit Went Fully Green?

Although NASCAR has grudgingly obliged to the current political and social trends of going "greener,"  it is hardly evident that it is 100-percent committed to the transition. This is for good reason. When it switched over to using unleaded fuels for the first time in 2007, the first race saw no less than four engine failures blamed on unleaded fuel for the engine's early demise.  Despite this hiccup, the NASCAR Sprint Cup series transitioned to unleaded fuel for its first full season in 2008, about 20 years after leaded fuels were no longer available to the general gas-buying public. All remained relatively quiet until 2011, when NASCAR decided to introduce an ethanol additive (derived from corn) into the fuel to presum...

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