Steel Bunded Diesel Storage Tank ranges. These bunded diesel tank are designed for above ground level dispensing with a wide variety of pump options available including hand pumps, 12v, 24v, 110v, 240v and petrol driven with fuel management and remote gauge options. Bio diesel specific pumps are also available. High security design. The Envirobulka Range of diesel tanks starts at 1300 litres and extended to over 60,000 litres.