Two rival metering models used in large commercial buildings to track the flow of electricity as it moves through a building shows the difference between upstream and downstream applications in the smart-grid space.

FORBES: Smart Grid Vendors Swim Upstream

Losses associated with commercial real estate, especially land development and residential building, were a major factor in the large number of U.S. bank failures since 2008.

FORBES: Will banks' shifting portfolio mixes mean easier borrowing for businesses?