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February 6, 2025 at 1:12 AM Buc-ee's locations such as this one in Luling, Texas are known for having 100 gas pumps and a massive store. (Brandon Bell—Getty Images)
The treadle pump is a foot-powered water pump developed in the 1970s by Norwegian engineer Gunnar Barnes. [4] In the 1980s, iDE initiated a campaign to market the pumps to smallholder farmers. Over the course of 12 years, 1.5 million treadle pumps were purchased, increasing the purchasers' incomes by $150 million annually.
Piston pump compared to a plunger pump. A piston pump is a type of positive displacement pump where the high-pressure seal reciprocates with the piston. [1] Piston pumps can be used to move liquids or compress gases. They can operate over a wide range of pressures. High pressure operation can be achieved without adversely affecting flow rate.
The pump manufacturer, Christian Ølgaard, developed a pump with a special knife system to meet the need for macerating and pumping manure in agricultural applications. Manure with high solids content, containing straw and sawdust, would clog up other types of pumps, causing unstable operation in an environment which required high reliability.
With a market cap of approximately $1.27 trillion, Tesla is more than 10 times the size of Ford and General Motors combined. In 2024, Tesla produced 1,773,443 EVs and delivered 1,789,226 EVs.
Ultrarich Americans including Jeff Bezos, Oprah Winfrey grew their net worth by $5.7B a day in 2024 — here’s 1 ‘forever asset’ they use to rocket their wealth. And how you can unlock ...