some one in our local pub said to my mate .he buys a uncut loaf of bread,takes out the middle of the loaf ,put a small hole in the bottom of the loaf of bread,and pores the red diesel into the loaf which flows into a drum..then into a the car. another one told me he buys some stain remover off qvc sky.put a spoon full in per gallon and it turns from red to yellow/blue colour depends where he gets his red diesel from...he did try heating oil but the seals in his fuel pump leaked,and failed the mot test ..well the tester refused to test the car as a fire hazard