PC-12 has been fully approved by API and will replace CK-4 and FA-4 engine oils starting in 2027. The new engine oil category includes FB-4 for lower-viscosity oils and CL-4 for higher-viscosity ...

The sky over Oshkosh erupts with nonstop arrivals as aircraft pour in from every direction, creating one of the most intense flying environments on Earth. Engines roar, crowds watch in shock, and ...

Traditional rockets crawl to Mars in seven months — but a new fusion-powered drive could do it in ten days, changing space travel forever. Trump reacts to Elon Musk offering to pay TSA agent salaries ...

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