those aren't mainstream by any stretch...they haven't fundamentally changed the basics of the automotive industry you could make the claim (maybe) about diesel

those aren't mainstream by any stretch...they haven't fundamentally changed the basics of the automotive industry you could make the claim (maybe) about diesel's and Europe, but separating technical innovation from industry level innovation here is important. Edit: and I say that as a RABID WRC fan who is currently wearing my Peter Solberg hat.