From WIRED magazine, "Palm and pumpkin seed oil could soon be generating electricity to help power cell phone networks across Africa under a plan to replace fossil fuels with sustainable biofuels made from crops grown by local farmers…..Ericsson estimates around 0.5 square kilometers of palm oil crops are needed to generate the fuel for 20 base stations, the equivalent of 83 football fields."  The work is expected to begin in Nigeria where the fuel will be processed from palm, groundnut, pumpkin seeds and jatropha.  The article mentions that this approach is also likely expand to Uganda, Rwanda, Kenya and possibly India.