Railroads and electric power companies are each an American Prometheus. Like steel, chemicals, transportation, energy, manufacturing and other fossil fuel-reliant American industries, they find ...

While standard receptacles typically use three wires -- hot, neutral and ground -- you'll occasionally find 2-prong outlets in older homes. Since this type of outlet lacks a ground connection, the ...

What is the advantage of 48-volt electric systems? Why is it necessary and will it not mean more batteries and higher energy consumption? The conventional automotive electric system operates on a ...