Check the Petrol Nozzle Latch?
Dear Reader, You may have heard that by letting the petrol fill your car more slowly, you will get more petrol. This means pressing the nozzle trigger halfway, instead of all the way. For those petrol nozzles with latches (usually three) you are able to latch the trigger so that the petrol can flow into your car engine even while you are not tending to the nozzle. Some people complain that having latches on petrol nozzles poses a risk, in that the latch may become stuck. As a result, once the petrol nozzle is removed from the petrol pump, petrol flows immediately, uncontrolled. Even though the latches are required in some states, people have recommended removing the latches for prevention of problems like the type mentioned. (For example, see this article .) Many writers suggest that we should use the first lever for the latch, i.e. the minimum to keep the petrol nozzle flowing. This reduces the flow of the petrol and theoretically gives you more petrol. My complaint is that in...