I noticed my car burns more fuel in winter. I don’t use the heater or Air Con. So all being equal why more fuel? Is it something to do with Oxygen density in cold weather? If so, please explain 🙂
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Was no one going to mention that winter gas has a different formulation than summer gas? Winter gasoline is formulated to evaporate easier than summer gas. The more volatile fractions in winter gas have less energy so summer gas gets better mileage.
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