Ministries in charge of electricity in Yemen and Sudan signed in Khartoum today a memorandum of understanding between the two in the field of improving power energy service. Yemen's Minister of Electricity and Energy Saleh Samee'a signed for his country while Water Resources and Electricity minister Mu'taz Musa signed for Sudan. According to the document, Yemen will benefit from the pre-paid electricity system, currently in force in Sudan. -