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Originally Posted by duffremle
How much of a correlation is there though? I notice that according to your graph, a vehicle with a 60 kW engine uses approximately half the fuel of a vehicle with a 300 kW engine. Presumably however, these are radically different vehicles.
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Obviously, these engines aren't in the same car - or even same kind of car.
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I would imagine that most cars with 300 kW motors are luxury cars, sports cars or trucks while most of the ones sporting 60 kW motors are economy cars.
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Sure - and it shows that opting for sports cars, excessive luxury or excessively sized cars is costing dearly in fuel use.
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Put the same motor in the same car and I'll bet the difference would be much less significant.
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Well, nobody does that.
The wasteful engines come standard with the sports or luxury car badge.