[The Antiyuppie]

Internal combustion engines really work at peak efficiency at one RPM and one load. Of course, this makes them pretty good for charging batteries.

[TexasGator]

“Internal combustion engines really work at peak efficiency at one RPM and one load. Of course, this makes them pretty good for charging batteries.”

My 750 hp 5.0 has two sweet spots.

60 mph in 6th gear - 28 mpg.

Any gear at 7500 rpm.