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Originally Posted by sheepdog 44
The only thing to account for the Insights lower score is that it's made entirely of aluminum, which is more energy intensive to refine than steel. However recent articles have stated it is less energy intensive to use aluminum than steel over a fullsize vehicles lifetime because of the mpg gained in weight savings.
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Also, if you happen to have the misfortune to live in places where the state dumps thousands of tons of corrosive chemicals on the roads, your aluminum body will not start looking like Swiss cheese after a few years, so the vehicle lifetime may well be much longer.
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The CVT gets a better score because it has less NO2 emissions making it cleaner. The MT has less Co2 emissions though.
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As I thought, their weighting scale is messed up, giving undue weight to NOx, which eventually winds up as soil nitrates - IOW fertilizer.