There is a reason this has never been done before. When the trailer pushes harder than the cab, you get a nasty wreck. I hope there's a remove cutoff that puts

There is a reason this has never been done before. When the trailer pushes harder than the cab, you get a nasty wreck. I hope there's a remove cutoff that puts the trailer into freewheeling mode! Maybe they've figured out a way to implement a fool-proof strain gauge, but if it goes out of control once every 1,000,000 miles they will have problems.