Normally people slow way down to make a turn it is annoying. I think us hypermillers make up the time from going a little slower on the straightaways in the corners.
I really try not to brake before a turn because I know all of my speed will drop in the turn. I will try to slow down before if I am going to fast. I love it when a fat SUV is on my bumper going 45MPH in a 45MPH zone and its a sharp turn I make a huge gap again just for them to floor it to catch up.
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