Most alcohol is metabolized, or burned, in a manner similar to food, yielding carbon dioxide and water. A small portion of alcohol is excreted, such as through the breath, leaving the body as alcohol, unchanged. It is this latter process that allows for breath alcohol testing.
RIO GRANDE CITY, TEXAS. Rio Grande City, the county seat of Starr County and one of the oldest settlements in South Texas, is on the Rio Grande 100 miles from both Brownsville and Laredo in the extreme south central part of the county.
The The Rio Grande Valley of South Texas region is made up of four counties: Starr County, Hidalgo County, Willacy County, and Cameron County. As of January 1, 2012, the U.S. Census Bureau estimated the population of the Metropolitan Area know as the Rio Grande Valley at 1,305,782.