Hybrid mileage variations
J R writes greenmesh:
When looking for hybrid mileage information, ask what MPG is in Winter. My 3 year old (Toyota) Highlander gets 28-30 in Summer, but drops to 21-23 in Winter because the gas engine must run more often to provide heat for passengers. It was better the first Winter but refineries were forced to change additives and that made MPG worse.
The new federal mileage stickers (in effect after this vehicle was purchased) are a more realistic assessment of hybrid mileage. Everyone knew a Toyota Prius didn't get 60 mpg, but that was the law and the number was legal and every other manufacturer used the same standardized testing.
Ethanol reduces mileage. I have given up trying to fill up with pure gasoline because that option just doesn't seem to exist in the York area anymore. Every pump seems to sport the 10% mix with sayings like "enriched with ethanol" and pictures of corn stalks.
Corn based ethanol is a counterproductive alternative form of energy helping to increase food prices and lowering the national fleet fuel efficiency. Compared to gasoline and diesel, the gas mileage in ethanol is the least. Ethanol yields about 30% less gas mileage than gasoline. The stuff even takes more energy to produce from field to consumer than it is worth. Ask our politicians why they love it so much.
My neighbor Chuck says his Chevy pickup with a 6 liter V-8 gets 11 mpg whether he runs it hard or takes it easy. It's basically a simple, large displacement energy converter that doesn't strain or change it's operating function to adjust for load.
Hybrids use several tools to squeeze mileage out of a gallon of gas so mileage can vary widely.
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