Originally Posted by CGameProgrammer

I think "assisted glide" or "extended glide" are good words for it. The car always coasts without using gas (unless your speed is really low) so zero-fuel glide isn't the best term IMO.

Since you can't accelerate in this mode, and you have to already be gliding (zero fuel consumption) in order to activate it, it's just a way of extending that glide or assisting it... so I like those terms.