University Park, Pa. — Memorial Day marks the unofficial kick-off of barbecue season, and with three of every four U.S. households owning a grill, it's safe to say that barbecue is big business.
Americans indulge in cookouts nearly 3 billion times a year, according to a meat specialist in Penn State State's College of Agricultural Sciences, who said the watchword for 2010 is variety.
Chris Raines, assistant professor of meat science and technology in the college's dairy and animal science department, said while trends run the gamut from luxury grills to the medical benefits of marinades, three significant developments can be identified:
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