One tank, 400 miles

On Thursday Jadefly asked how I was going to reach my goal of 400 miles on one tank. Here are a few facts/details:

• Usually 9.5-11 gallons = 330-360 miles.
  
• I hypermile around 1/3-1/2 of the time I drive.
• This time of year I rarely use AC/ need windows open.
• Three fill ups ago I made it to 392.
• My local highways and I are BFFs
  
• I run late a LOT
  

My theory is if I can drive more mindfully (with hypermiling principles) I will be able to get more miles per gallon. This means leaving in a timely manner to get places, so I'm don't have to rush. When I'm running late I revert to what I refer to as NE urban driving :).

The commute from the new house to the new job (really the new house to anywhere) involves driving on the highway so I get to spend a lot of time between 45 and 60 mph. I just have to reduce the amount of time I spend over 65 mph- the speed limit half the way. The graph on the left shows fuel economy at various speeds. It can be found here with some more tips. What I'd love to know how many data points were used to make the graph.

The other thing that is still on the agenda is getting my car tuned up. I'm way overdue for an oil change and approaching one of the 15,000 mile checkups at the dealership. If I can hit 392 with the maintenance light on 400 once it's all cleared out should be a breeze right?

The final, and probably one of the harder things I'll have to do is keep my lead footed husband out of the drivers seat in my car. I swear he just likes hearing the car go vroom!