There has been increasing interest in recent years in the use of biodiesel as a substitute for petroleum-based diesel fuel. Biodiesel is a renewable alternative fuel produced from a wide range of vegetable oils and animal fats and even recycled greas..

Vermiculite is a naturally occurring mineral composed of shiny flakes, resembling mica. It was mined in Libby, Montana, from the 1920s until the mine closed in 1990. While in operation, the mine in Libby produced most of the world's supply of vermicu..

Ethanol fuel is a sustainable energy resource that is intended to provide a more environmentally and economically friendly alternative to fossil fuels such as diesel and gasoline. Ethanol fuel is more energy-efficient than some experts had realised a..

Iron ore is one of the three naturally magnetic elements; the others are cobalt and nickel. It is one of the three naturally magnetic elements; the others are cobalt and nickel. Iron ore is one of the three naturally magnetic elements; the others are..