Uncategorized ERB has adjusted upwards prices of fuel products by K1.80 ngwee for Petrol, K2.37 ngwee for diesel and K2.51 ngwee for kerosene June 30, 2022 4 FacebookTwitterPinterestWhatsApp Energy Regulation Board has adjusted upwards prices of petroleum products by K1.80 ngwee for Petrol, K2.37 ngwee for diesel and K2.51 ngwee for kerosene.