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Comparative Driving Redux

This is an update to a post made almost a year ago about a friend who also kept a lot of data about gasoline purchases. I made pretty graphs, because everyone loves pretty graphs.

My friend sent me some fresh data for the past year's driving, so here are some shiny new pretty graphs:

Daily Driving Miles

My daily driving had been holding steady below 10mi/day until mid-2007, then punctuated by spikes of extra travel that won't make sense unless you know me in meatspace. (P.S., there's another spike coming.)

Low Fuel Efficiency

With my additional driving, my car's fuel efficiency rose to about the advertised level for city driving (19mpg). My friend has continued to drive longer distances than me, and in a more fuel-efficient car.

Oregon and Iowa Retail Gasoline Prices

Nobody will be surprised to learn that gaoline prices continue to rise. Oregon generally stays a few cents more expensive than Iowa; I believe this is because self-serve is illegal in Oregon.

Time Between Fills

I've joined the rest of humanity in generally needing to buy gasoline more than once per month. Don't cry for me; I'm okay. But my car needs an oil change.


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Tiny Island