All other grades from the companies have some ethanol content, but the mid-grade blend is pure gas, which means it not only corrodes less than ethanol blends, but is less likely to deteriorate when stored. In fact, it has more! For those storing their vehicles for the winter, specialty gasoline makers — yes, there are boutique gasoline manufacturers! For those on a budget, a trip down to Canadian Tire for some fuel stabilizer is usually good enough to preserve your pump gas — use that Shell and Esso 91 stuff — over the winter.
A little creativity — and common sense — can help here. That same common sense applies to other vehicles. For instance, the point to the plug-in aspect of the modern PHEV is to actuate the gasoline portion of its drivetrain as infrequently as possible.
Yes, most PHEVs will have corrosion-resistant pipelines, but it never hurts to err on the side of caution. More troublesome for older, carbureted vehicles is that ethanol is 35 per cent oxygen. In mild cases, said overenthusiastic blending of oxygen can cause older engines to stumble, spit and cough. In a worse case scenario, it can even lead to catastrophic — as in big, gaping holes — piston failure. Sign up to receive Driving. Skip to page content. How much ethanol is in gasoline, and how does it affect fuel economy?
Does EIA publish inflation-adjusted gasoline prices? What do I pay for in a gallon of gasoline and diesel fuel? How much gasoline does the United States consume? Does EIA have historical gasoline prices for each state? When was the last refinery built in the United States? What are the projections for U. How much carbon dioxide is produced from U. So if you live in one of those two states, you can be thankful. For the rest of us, we are faced with the unpleasant reality that the refineries are all but tied into putting ethanol in premium gas.
This is because they have to use the ethanol to raise the octane level of their gasoline blend in order to satisfy the higher octane requirements of premium. This is one reason why you don't get better gas mileage with premium gas, because an essential part of that blend is a component that has less energy and forces the gas mileage down simply by nature. So don't get fooled into thinking you can escape ethanol's grasp simply by paying more and getting premium gas.
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