Trouble is we are back to the "old saw" that manufacturers could easily make non rusting vehicles, but it is not in their best interests in supplying. So "built in obsolescence" is there business modelYou’ve had me thinking about this today and technically speaking if you mounted some zinc or aluminium blocks on the underside of a car somewhere along the inner sills, then drilled a hole, sealed it but ran a 12v + feed from the battery to the block and kept the block isolated from the car body, you’d have a sacrificial anode that any salt water or corrosion would attack first preventing deterioration and rust of the car body, or at least minimising it. The blocks would be cheap, the wiring would be stupidly easy, it’s a very obvious way to protect a car from corrosion that anyone could implement, would be a good experiment to try if you had a couple of brand new cars which was known to have no rust and you implemented it on one and not the other.
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