10 Least Reliable Cars

Our surveys take a deep dive into the numerous things that can go wrong with a vehicle. We study 20 potential trouble areas, from nuisances—such as squeaky brakes and broken interior trim—to major bummers, such as potential expensive out-of-warranty engine, transmission, EV battery, and EV charging problems. We weigh the severity of each type of…

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Best Portable Air Conditioners of 2024

In our portable air conditioner tests, we measure how long it takes a unit to lower the temperature of a test chamber from 90° F to 85° F. That takes an average of 20 minutes. By comparison, the best window air conditioners can cool the room by 10° F in about 15 minutes or less….

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