jim beam wrote:

>
> whose words are these?
>
> "e85 is cheeper to run."
>
> so, show your math!
>

Math doesn't have anything to do with it. Nor does brain-dead belief in
thermodynamics.

Some engines do get better mileage with ethanol blends even though there
is less heat energy contained in ethanol blends than there is in
straight gasoline.

The main problem is the EPA refuses to use ethanol blended fuel in the
government fuel economy tests. Since 90% of the gasoline sold in the US
now contains ethanol eventually the EPA will have to succumb to reality
and start using ethanol blended gasoline in their fuel economy tests.
When that happens all new cars will be designed to get better mileage on
ethanol blends. This is because it is not hard to design engines to get
better fuel economy with ethanol blended fuel. The only reason car
manufacturers do not design their engines to perform better with ethanol
is because there is no financial incentive to do so.

-jim