By Sabrina Valle and Arathy Somasekhar HOUSTON (Reuters) – Developing countries should not have to target renewable energy sources and turn away from fossil fuels, Nigerian and Equatorial Guinea energy officials said on Wednesday, joining other emerging oil-producing nations reluctant to embrace the global energy transition trend. Some 900 million people in the world, most of them in Africa, still have no access to energy for basic needs, Nigeria’s oil Minister Timipre Marlin Sylva said on Tuesday during the CERAWeek energy conference in Houston. “We are still in transition from firewood to ga…