[Info-vax] Off-topic follow-up, now with actual data - mileage vs. speed

[spamsink2001@yahoo.com]

On Saturday, December 21, 2013 3:24:58 PM UTC-5, JF Mezei wrote:
> >> A while back, I think twice even, discussion of gas mileage came up for some 
> 
> >> reason. Many here claimed higher speeds get better mileage.
> 
> 
> 
> Depends on the engine. Fossil fuel engines are tuned to be most
> 
> efficient at a certain RPM.   This is one reason hybrid cars are more
> 
> fuel efficient: the generator runs at the fuel engine's most efficient
> 
> speed no matter what the car is doing.

How is this done?

[...]

AEF