At Wrong fuel Angels, we have a fleet of fully equipped vehicles that carry the latest mobile fuel drain systems. Whether the problem is diesel in petrol or petrol in diesel, weâ€™ll always drain your tank using the fastest and safest method. If youâ€™ve added the wrong fuel inside the Greater London area, weâ€™ll provide an average response time of forty minutes. Because it only takes twenty minutes to drain the wrong fuel from your vehicle, we can have your vehicle running again inside one hour of contacting us so that you can continue with your journey. Wrong fuel Angels disposes of contaminated materials at designated depots that adhere to Environmental Agency standards.