Some in Minn. keep thermostats low to save money

      |The temperature in Minnesota dropped to 16 below zero overnight, and the deep winter freeze has driven demand for natural gas to record levels in the Minneapolis area. A Meals on Wheels volunteer said he was making sure his clients had food and heat, while one family is monitoring how much it spends on fuel. Jamie Yuccas from CBS Minneapolis station WCCO-TV reports.

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