AAA found that using TOP TIER gas did produce fewer deposits in the engine than the minimum standard gas. One of these things is the lowly gas pump. And to be clear, this was 1980, not 1940. And thats just the first potential problem. lion mclionhead has added a new log for Shower curtain solutions. Then there is the pump itself. Even the writer is confused about switch in the hall. John Clark, a police officer at the Charlotte-Mecklenburg Police Department North Division in North Carolina, said a suspect he arrested in March used a remote control to access a Wayne pump at a Charlotte gas station then sold the gas. Another weird incident was when I was at a site where we were testing cash acceptors. The training consisted of reading a pamphlet that had all of the same warnings that were posted on the pumps. Years later, when I moved back to Oregon, I was driving for a company that bought their fuel from Pacific Pride, which is a network of stations for commercial fleets, and being a fleet driver somehow made me not a consumer, so I could pump gas myself there, but I had to get training before they could issue me a card. I mean, literally, word for word. Ive worked all across the south and you will very rarely find a midgrade tank. They have a a blend valve in the bottom of the pump before it trans in to the meters that count the amount. And I saw something about paying 4$ a gallon in the comments here, we pay $6,92 per gallon, which at the moment is low. They do I fact blend at the pump but now its done by the computer base. Two litre turbo engine, took super fuel as it is called here (98 octane) and could also run on regular (95), but at cost of some power loss. As it happens, I was stationed in Oregon in 1977-80, after the law was passed but while leaded gas was still available. I would have to disagree with your comment on blending I install blenging dispensers weekly so I know for sure that we make the mid grade on site more often than not. After about 15 mins of freaking out, it turned out that the low-grade tank was empty. Because diesel fuel is heavier than gasoline, it can sink to the bottom of your gas tank, resulting in the injection of both gas and diesel into the intake manifold or the cylinder. An article that has no hidden agenda or desire to influence the publics political leaning. Cost of this non-ethanol is typically about 50 cents a gallon more than regular. Hackaday Podcast 179: Danger Chess, Corona Motors, An Omni-Walker, And A Fast Talking Telescope, This Week In Security: Symbiote, Smart Locks, And CosmicStrand, Never Too Rich Or Thin: Compress Sqlite 80%. Next time you are pumping gas, youll have something to think about. Its like being in an echo chamber. Such stores tend to have only a handful of employees working at a time, unlike major chains that can employ security staff and better surveillance equipment, Denton said. Some old aircraft have an external venturi tube thats used to power some instruments via the air pressure differential created by the tube. Hey, wasnt there another president before him that destabilized the middle east? Since when does a truck driver know the inner-workings of a gas pump? You left out the most sophisticated part of the system the mechanical analog computer that used to be driven by that flow meter, to keep a running total of both the flow and the price. . But THEN, after you could no longer even FIND leaded gas, they never retired the law. When you buy midgrade gas, you are really just mixing regular and premium together right in the pump. It was funny to watch, because many Oregonians had never pumped their own gas before. 
If a new station is built. (I actually dont remember if anyone tried mid-grade.) Lots of safety features at the pumpscrash valves at ground level that snap shut to prevent flow should a collision occur, Intrinsically Safe electronic controls that prevent sparks (prevent igniting vapors), etc. They dont even use the same RS-485 comm links. In Texas the 89 octane is blended 65% 87 octane and 35% 93 octane. Fun fact. However, he's been retired since 2014. Sites that still have Regular/Plus/Premium tanks usually abandon Plus as a product by replacing their pure-product dispensers with blenders for plus and fill the plus tank with diesel or non-ethanol gas. As I was about to leave, people started saying that the gas had stopped pumping! The results could be very expensive! This happens because of a drop in lubrication. Increased gas prices lead to more reports of gas theft in U.S. He had noticed workers had to fill barrels one at a time so as not to overfill and was inspired by the operation of a toilet to come up with an automatic valve. Theres really nothing like gas prices to get people to think about budgets. This non-ethanol is sold in a blue colored handle and its not like diesel where the pump spout is bigger to keep people from accidentally putting diesel in their gas car. The longest lasting design was a multiple piston arrangement with a swash plate. Almost no modern gas pumps have pumps. We did have a temporary moratorium on this during the first corona virus outbreak, to minimize contact between customers and attendants, but now were back to no self-service. Theres a small hole near the end of the nozzle that has its other end near a flexible diaphragm and a Venturi tube. Theres some way to tell how much is pumping and how much it costs and, today, some way to take the payment. But whats really going on there? I dont think this blended thing has ever been an option in the U.K. We just got lead, no lead, or diesel. We lead the nation in both new pump technology and emissions restriction, and most of the gas pumps have blending 3 way valves. Gasoline contamination can also damage the fuel pump and mess up diesel injectors. NBC News found such keys were also widely available for sale online. Gas hackers take advantage of the fact that gas pump equipment in the U.S. is heavily standardized and largely relies on a handful of manufacturers that often dont include strong security protections. So the flash point wouldnt be consistent throughout the entire tank.Given the large difference in flash point temperature between gas and diesel, it doesnt take very much gasoline to depress the flash temperature significantly. Protecting The Hughes H4 Hercules With Beach Balls? The only requirement was to ensure that any remaining product (usually no more than a 1/2 gallon or so) was dumped into the fuel points sump for return to the refinery for re-processing. I spent days/weeks debugging at an Atlanta terminal (where the tankers fill-up). It isnt done with some fancy electronics, that mechanism dates back decades. So I can see that they had good reason for the law, even if the law didnt stop the behavior. Plus, were talking about highly combustible materials, there has to be more to it then just a big tank of gas and a pump. Gas has a thermal expansion coefficient at 20C of over 4 times that of water. Theres a lot of technology out there that someone is an expert on, but most of us just take it for granted. Only a couple of stations are even left with mid grade straight product and are quickly being retro fitted to allow for an e-85/ bio-diesel #2 split tanks. Oh, I see. If you have an issue or story idea, call Mike's office at 407-521-1322. Absolutely nothing stops you putting this non-ethanol gas into your car which I always do, especially now barely driving my car cause of covid. This site uses Akismet to reduce spam. The diaphragm inside the handle expands because ambient air pressure (which enters through the small safety tube hole at the tip of the spout) is higher than the low pressure fuel area created by the Venturi effect. Copyright 2022 by WKMG ClickOrlando - All rights reserved. Are you sure higher grade = higher consumption? When Candido Rodriguez received a Notice of Approval from the Department of Economic Opportunity in March, the Tampa construction worker was convinced his year-long wait for benefits was finally over. So far more than 50 cases involving use of the device have been reviewed by state and federal investigators. They are notorious for freezing shut with ice, therefore most have heaters. Is it possible that this differs by state or region? Most people think higher octane mean higher power or higher mpg, which is completely false. I thought by add ons, you meant additives to the fuel, not the pumps. Man, turn off the billionaire progaganda sometime. And as the article suggest at mainly a 60/40 blend(even though the price per gallon is in 10 cent increments) And Im not talking about 20 year old pumps either. Gas pumps rely on a device called a pulser to measure how much gas comes out of a pump, telling it how much to charge a customer. For calibrating said pumps you just calibrate each grade 87 then 91 then you check 89 to make sure its within tolerance. Most of it is pretty easy to figure out. Lets pay homage to those silent safety features and explore the tricks of the gasoline trade. . With gas prices at record highs in the U.S. in recent months, some people have turned to hacking the pump. Install and repair stations. Safety is paramount and, experientially, we dont hear about gas stations blowing up two or three times a day, so there must be some pretty stout safety features. I always was in the back of my mind to check up on how the nozzle works. Why Fedora Decided To Give CC0 Licensed Code The Boot, Where Pollution Hits The Road: The Growing Environmental Hazard Of Rubber Tires, The Surprisingly Manual Process Of Building Automotive Wire Harnesses, Biomimetic Surfaces: Copying Nature To Deter Bacteria And Keep Ship Hulls Smooth. Learn more, Three-Wheeled Turret Car Looks Like It Should Be Orbiting Thunderdome, Tech In Plain Sight: Primitive Engineering Materials, Tech In Plain Sight: Check Digits And Human Error, Tech Hidden In Plain Sight: Cruise Control, https://en.wikipedia.org/wiki/2000s_energy_crisis, https://en.wikipedia.org/wiki/Barack_Obama, https://patents.google.com/patent/US5222027A/en. Take diesel for example, it has way higher density than gasoline, but only around 25 octane rating. In the 50s I worked at a Hancock service station. The mind boggles at up to 5 grades being on sale! The 3 way switch redirects where the electricity will travel to. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Respond faster in what way? Ive been the parts and equipment buyer for over 20 yrs. That usually only happened when it was -20 and the injectors were frozen. But before electronics made its way into consumer products, there were a lot of very clever mechanical devices in the world, because there was no other option. A handmade device powered by two 9-volt batteries is being inserted into diesel fuel pumps by organized gangs across Florida, allowing them to pay 5 cents a gallon for the high-priced fuel, according to members of the Orlando Cyber-Fraud Task Force. Modern dispensers have their own internal network with outward facing IP addresses to provide high speed card processing at the pumps. While theres no formal law enforcement metric to measure the trend, 1 in 4 convenience-store gas station owners say fuel thefts have been rising since March, said Jeff Lenard, a vice president of the National Association of Convenience Stores, an industry group. Gilbarco pumps use a 100% to 0% blend using the 87 grade as being the main product flow then the pump node adjust how much 91 is allowed in to make that mid grade of 91 octane here in California. The manipulator fools the pulser, allowing thieves to pay pennies on the dollar for diesel fuel and then sell it on the black market at deep discount prices. The card reader part (Gilbarco CRIND/Wayne CAT) used an 8-bit CPU in those days of 1-4 line displays, but Gilbarcos then-new terminal with the big color screen actually ran Linux, I know because I captured its boot sequence from a serial port. All the blending has to be done onsite somewhere likely in the pump. Diesel fuel has an octane rating of 25-40. Yes it was, we had 2*, 3* (less common) 4* and 5*, which were all leaded grades, and DERV (diesel). An the little known fact that the higher the grade, the higher the consumption is. Every manufacturer has a blender pump. The dumbest thing was that a couple of times I got L3 support calls when the pump handle didnt click off and the gas spilled over.
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