08/11/2011 12:44 pm ET | Updated Oct 11, 2011

Which Fast Food Coffee Gives You The Best Buzz For The Buck?

For years, Dunkin' Donuts reigned supreme as the king of fast-food coffee, towering over a field of lesser brews. Then, one day, Starbucks (SBUX) came along with pricier gourmet options, and the the war was on.

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