Then there was four-wheel steering, touted as a huge advance. Well, neither of those developments ever lived up to its promise.
Tires are the great limiters of cornering power, anyway.
The option has wisely been abandoned. The bloom is off the rose of four-wheel steering, too. Research continues, naturally, but don't sit around waiting. The aftermarket hasn't been idle in these areas, either. The following will keep you up to date.