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6 Types of Lithium-ion Batteries

There is more than just one type of lithium ion-battery, and not all are created equal. Lithium Investing News looks at six types of lithium-ion batteries, as well as their compositions and common uses.

Types of Coal Upgrading Technologies

Coal upgrading technologies have gotten plenty of attention as of late in light of recent changes to U.S. EPA rules, but these technologies are not new. Companies around the world have long been working hard to improve and develop efficient and environmentally friendly methods of upgrading coal.