Posted on 12/2/2025
How many times do you let the gas pump handle click when you’re filling your gas tank? Do you like to round off the cost to the nearest dollar? Maybe you like to make sure your tank is as full as it can get, and keep clicking the handle until it doesn’t pump anymore? Or do you have some special system where you fill it until it clicks, wait 30 seconds, then click it again, and continue until you’ve reached precisely three clicks of the pump handle? I’ve found that it varies depending on who you ask, but what is the right way to fill your gas tank? Well, today is your lucky day because we’re going to answer that question and provide you with some interesting knowledge along the way. To fully unpack the conundrum of filling your gas tank, we need to understand how the gas pump handle clicks off in the first place. The fuel fill nozzle was first developed in 1938 by Richard C. Corson. It’s an elegant example of a completely mechanical design that uses t ... read more