Originally Posted by alnorth
I'm saying that the idea that coasting in neutral saves gas over coasting in gear, is a myth. You should coast in gear.
Agreed to a point. As mentioned, you can coast much farther in neutral than you can in gear so you have to consider that. I have some hills that I can't maintain speed in gear but can in neutral so I save gas over slowing down in gear and then having to accelerate back up to speed or just driving normally. You have to figure out when each method is best.