Editor's note: A long-time industry veteran and expert on scientific molding, John Bozzelli is a processing guru, consultant, and principal of Injection Molding Solutions in Midland, MI. A current trend within the injection molding industry is to use electric rather then hydraulic machines. Word on the street is that for machines in the 30- to 300-ton range, between 50 to 70 percent of all machines sold are electric or hybrid.