The oil supply crisis of the 1970s greatly influenced the need to diversify the forms of energy and be able to depend less on fossil fuels. At first, alternative fuels were only used in highly-specialized sectors such as space applications. However the increased focus on...

  [caption id="attachment_3675" align="aligncenter" width="754"]  [/caption]   As technology continues to evolve, new trends toward more sustainable ways of working are taking place. But while electric cars are booming and saving gallons of gas and oil, their batteries and components are made of rare metals. Lithium, copper and...