Like other metalcasters, aluminum foundries and diecasters want to offset high energy costs. Impacted by both climbing electrical rates and rising natural gas prices, they are adopting new melting technologies that provide greater efficiencies in the use of energy. Inexpensive to build, but costly to operate, site-built gas furnaces and older, less-efficient commercial gas and electric-resistance furnaces are being replaced with gas and electric furnaces that feature advanced, energy-efficient technologies and designs.
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