Powershares Wilderhill Progressive Energy Portfolio – This fund is based on the Wilderhill Progressive Energy Index, which is described by Powershares as an index of “U.S.-listed companies that are significantly involved in transitional energy bridge technologies, with an emphasis on improving the use of fossil fuels.” The fund’s holdings include companies making biofuels and advanced automotive batteries, both of which improve fossil fuel use in transportation and other applications. |
