Wednesday, August 8, 2007

Tank 127 - 8 August 2007 (Hot Gas Myth -- STILL BUSTED!!)

440.0 miles on 11.593 gallons = 37.95 mpg.

If I had stopped refueling after the second click, as I usually do, the
fuel economy would have jumped to 38.77. But for some reason this
morning the first shutoff click occurred right after the second gallon
finished it's delivery. I knew it wasn't near full so I didn't
officially count that one.

This is the fifth tank in a row that I was able to go farther than 400
miles, and eight of the last nine tanks have taken me more than 400

When I put the gas in this last tank, it was 98 degrees outside. Again,
this is a clear indication to me that those who cry about the rip off
that is "hot gas" are just blowing hot air. I do not and have not seen
any significant decrease in my fuel economy of a tank that was filled in
hot weather.

If anything, my fuel economy is worse when I fill the tank in COLD
weather, but that is easily explained by the fact that it takes the
engine longer to heat up and achieve better efficiency in the winter.

With this tank, I have almost caught up to the number of total miles
driven as last year at this time. However, the Mighty Corolla was used
for a family trip last weekend, and over 700 miles were put on the car
that wouldn't have been put on there had we chosen to drive the minivan.

I have also travelled about as far as last year at this time on fewer
tanks of gas. This really doesn't mean much, as last year I refueled
earlier for most every tank.

My fuel economy for corresponding periods is almost 1 mpg better this
year than last (0.98 mpg better), which is about a 2.8% improvement on
my fuel economy.

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