Myths about gasoline, savings and gadgts

Boy, you read some of these guides and wonder where they get their "facts" from. Myth #1. Fill up on a cool day so you get more gas. Fact: the coefficient of expansion of gasoline is 0.00060 per degree Farenheit. That means what you get is what you pay for. Gas stations have their storage tanks deeply buried underground an average of 15-20 feet. At that depth the temperature is pretty constant. So "fluctuations" in the underground temps are ungemon and therefore the gasoline doesn't begee denser when the weather is cool outside. Myth #2. Name brands have better quality gasoline. Fact: Different refineries all put out the same thing, gasoline. Oh yeah, some name brands have detergents and "additives" but if you get just gasoline, you get gasoline, period. That's like buying gold and adding lead to give it color. If you want additives, buy it separately. You'll find these "additives" worthless overall. My friend Sal the chemist who usually swears by name brand gas, found one mom