Quote:
Originally Posted by masraum
does it make a huge difference to one car and one person's fuel bills, probably not unless they spend several hours a day commuting in stop and go, but then it's not really designed to help your pocket book. It's designed to help the planet. ...
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No, freeform has it right;
Helps manufacturers meet regulations..
There are no regulations on how long that machine needs to last. It certainly is not very "green" if the machine needs service more often, or worse yet, needs to be scrapped.
Example: Later model Saabs moved the cat closer and closer to the exhaust manifold. This was said to be 'green' as it got the cat up to operational temp's a few seconds quicker. (multiply x # of starts, x fleet size...) Just pay no attention to the fact that those turbo'd cars now had the
cat sitting directly below the oil pan. This heated block of ceramic would carbonize/pryrolize the oil around the oil pump pick-up and starve the motor for oil. So, the car lasts 50k miles and is close to totalled.
Yay, scrap-heap so Green But at least the placement helped manufacturers meet regulations..