Many waste items provide important value before being tossed into a bin. Discarded plastic products, for example, originally serve as packaging to keep school lunches fresh, lightweight bottles for efficiently transporting fresh water to hard-to-reach areas, containers for soaps and detergents that facilitate hygiene – and much more.
From the wings and fuselage to the seats and overhead bins, petrochemicals have been increasingly relied upon to make passenger aircraft lighter and stronger, cutting fuel use and costs and making air travel more sustainable at a time when more people are flying than ever before.
With the rising demand for renewable energy in the United States, many are turning to solar power to meet their energy needs.
Rosemount, Minn. – The flame at the top of a 400-foot stack here at the Flint Hills Resources' Pine Bend refinery used to burn so brightly and so consistently that some say it was used to train pilots to land planes at the Minneapolis-St. Paul Airport.