It's air cooled with generously-sized heat sink.
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The A3 e-tron sports two Sanyo liquid-and-air-cooled battery packs, one under the trunk area and the other in a T-shape under the passenger compartment.
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By the early 20th century Syracuse became famous for production of Smith Corona typewriters, Syracuse China, Nettleton shoes, bicycles, wax candles and the Franklin, an ahead-of-its-time automobile with an air-cooled engine.
To meet a target price of 1, 000 marks, approved by the new German chancellor, Adolf Hitler, Porsche devised a rear-mounted, lightweight and air-cooled engine that avoided the need for a heavy radiator.
Of course, there are the evidently wealthy local Arabs in their traditional white flowing robes, but you also can spot the Filipino maids, British bankers, American and Korean engineers and a diverse array of Indians all shopping, eating and conversing in the air-cooled commercial oasis.
Unlike helium, which is extracted from natural gas, nitrogen can be readily harvested from the air, and cooled for a fraction of the price.
The air exiting the cave would be cooled by the thermal mass of the surrounding rock to within a degree or two of the yearly average temperature.
They are not air-conditioned, but are effectively cooled by ceiling fans.
One is exhaust gas recirculation, which pumps cooled exhaust back into the engine air intake, lowering the combustion temperature and reducing NOx formation.
And if one buys the Ultra Luxury Package, they will actually be pampered, thanks to such amenities as rear vanity mirrors, climate control, heated and cooled seats, reading lights and an interior air filter.
That doesn't make it quite as "open-air" as a true convertible, but it does let you more easily hear the roar of that water-cooled, 320-horsepower, 3.6-liter six-cylinder and get a lot of oxygen into the cabin.
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