Featured Gas OilAxxela now 100 % owned by HeliosEditorApril 5, 2019April 7, 2019 by EditorApril 5, 2019April 7, 20190631 By Shile GIWA Axxela Limited, sub-Saharan Africa’s preferred fast-growing gas & power portfolio company, has formally announced the acquisition of Oando’s remaining 25 percent interest in