[Tigers] Gas mileage

[CoolVT at aol.com]

In a message dated 12/20/2007 9:51:53 AM Eastern Standard Time,  
Theo.Smit at dynastream.com writes:

For a  highway test it's not about the horsepower rating of your engine,
it's how  much power you need to get down the road at 55 mph (or  whatever
Is the  drag coefficient based on an over-all  model and size or is it just a 
measurement of the efficiency of the car being  tested. In other words would 
a large SUV that had a drag coefficient of say  -0.50 have the same efficiency 
as a Vet that also had a -0.50? Or is the larger  vehicle still going to push 
more air and therefore require more energy?
M



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