Quote Originally Posted by jut703 View Post
There's really no need to shift back into neutral when you're coasting, as all modern A/Ts have DFCO (deceleration fuel cut off), effectively consuming no fuel when you're coasting (as compared to consuming the equivalent of what you'd consume in idle if you put the car in Neutral).
Kaso there are still a lot of cars (actually mas marami yung luma kesa bago) out there without DFCO. So they better know when to use coasting method.