Hi Darrell,
Very interesting observation. It further points out the damaging effects of short trips in which the vehicle doesn't get hot enough to operate at its maximum efficiency. Still you have to look at the total pollution that one generates vs the mileage covered before you throw the baby out with the bath water. I know you do a lot of EOCing , maybe you could switch to engine on coasting to maintain higher cat temperatures.
all the best, L&S ( Vic )
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