Does the VCM happ n at th same time too while the car is into DFCO?

I’ve been trying to do this technique for quite a while too... but somehow I can’t take my foot on the pedal completely. I will just lighten my foot to somehow keep feeding gas to the engine but minimally so as to keep the speed and in effect lesser pulses. Don’t know if I’m doing it right though.

Quote Originally Posted by jut703 View Post
When coasting long enough, a car will go into DFCO (deceleration fuel cut off), wherein it uses zero fuel and the car is kept running by the momentum generated from the kinetic energy of the turning wheels.

That's why most hypermilers use the pulse and glide technique, where they will accelerate for a certain length of time, and then coast for an equivalent length of time. During the coasting bit, the car uses zero fuel and thus when averaged out, it comes out more efficient than having your foot on the throttle consistently. However, as a caveat, you can only execute pulse and glide with light and predictable traffic as you have to have lots of room to accelerate and coast repeatedly.

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