'Made in America' companies to help keep cool this summer

Summer is here - and so are the high-temperatures.

Summer is here and so are the high temperatures. Across the country, American-made companies are finding ways to help beat the heat. In Rochester, New York, Nalgene water bottles have been in business since 1949. The company employs 1,200 workers and makes more than 6 million water bottles a year. Philip Castro, a Nalgene team lead, has been working on the line for 10 years. He shared his best tips with “World News Tonight” on how to stay cool with Nalgene this summer. “Fill it up with water, about halfway, freeze it, put water back in it, and have a cold drink all day,” said Castro.