Health Highlights: Dec. 24, 2008

For the record, a gallon of grease can be converted into about a gallon of fuel. Drivers get about the same amount of mileage from fat fuel as they do from regular diesel, Jenna Higgins, of the National Biodiesel Board, told Forbes.

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FDA Says Diet Coke Plus Claims Violate Regulations

The U.S. Food and Drug Administration has warned Coca-Cola Co., the world's largest soft-drink maker, that its claims that Diet Coke Plus contains vitamins and minerals violate federal regulations, Bloomberg reported Tuesday.

The agency said the company product is misbranded, because it includes the content claim "plus," and it urged Coca-Cola to "take prompt action to correct these violations," according to the FDAs Web site. Coca-Cola disputed the finding, saying the complaint doesn't involve health or safety issues, according to the news agency.

The FDA letter said it was not appropriate to fortify snack foods such as carbonated beverages. Diet Coke Plus has vitamins and minerals, including 10 percent of the recommended daily value for magnesium and 15 percent for vitamin B12.

A company spokesman said the label on Diet Coke Plus complies with FDA policies and regulations and that it plans to reply in detail to the complaint in early January, Bloomberg reported.