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2. Block heater - Wikipedia

   en.wikipedia.org/wiki/Block_heater

   Electrical cord for powering a block heater. A block heater is used in cold climates to warm an engine prior to starting. They are mostly used for car engines; however, they have also been used in aircraft engines. The most common design of block heater is an electrical heating element embedded in the engine block.

3. EV battery range plummets in cold weather. These tips can help.

   www.aol.com/ev-battery-range-plummets-cold...

   This is why in the coldest parts of the U.S. many people use electric block heaters or battery pads to keep their engines warm. But as it takes longer to charge an EV than it does to fill a ...

4. Andrew Freeman (inventor) - Wikipedia

   en.wikipedia.org/wiki/Andrew_Freeman_(inventor)

   Andrew Freeman (March 10, 1909 – January 17, 1996) was an American electrical engineer and the inventor of the electric block heater for automobiles. [1] Andrew L. Freeman was born in Upham, North Dakota. He attended the University of North Dakota in Grand Forks, North Dakota, where he majored in electrical engineering.

5. Glow plug - Wikipedia

   en.wikipedia.org/wiki/Glow_plug

   In a diesel engine, a glow plug (also spelled glowplug) is a heating device used to aid starting of the engine in cold weather. This device is a pencil-shaped piece of metal with an electric heating element at the tip. A glowplug system consists of either a single glowplug in the inlet manifold, or one glowplug per cylinder. In older systems ...

6. Core plug - Wikipedia

   en.wikipedia.org/wiki/Core_plug

   Core plugs can also sometimes prevent freeze damage to the motor. During the early stages of the freezing of the engine coolant a freeze plug will sometimes burst, and thus allow the coolant to exit the engine, before it might expand within the engine during the freezing process and potentially crack the engine block. [2]

7. Radiator (engine cooling) - Wikipedia

   en.wikipedia.org/wiki/Radiator_(engine_cooling)

   Internal combustion engines are often cooled by circulating a liquid called engine coolant through the engine block and cylinder head where it is heated, then through a radiator where it loses heat to the atmosphere, and then returned to the engine. Engine coolant is usually water-based, but may also be oil.