Oh yes you can, Sean. As the numbers in my example showed, you only need a regen-retrieve efficiency of 37% in the scenario for this to be true. Now for your Insight, there is no scenario in which regen would be beneficial for FE if you didn't need it to slow down faster than coasting allows. That is because the aerodynamic drag is so incredibly low for that vehicle. If you can't grasp the fact that coasting is not lossless due to drag, I don't know how I can further explain this. And John, if we use the no-regen coasting as a reference for efficiency, I can easily show you regen cases that are >100% efficient which we know is not the case. But since I am apparently a glutton for punishment, I will take the numbers Dan recently posted in the warp-stealth article thread and use the equations in my earlier posts to look at the results. I will not use any regen because in all of these cases it would significantly reduce FE. Based on Dan's 1600 rpm and 14 ign pulse numbers, I use the BSFC chart and operating trajectory to get 7.3kW ICE power during pulse with a BSFC of 270 g/kW-hr. For pulsing, the force equation becomes: mdv/dt=6000/v-98.33-.4103v^2 where 6000 W represents the 7.3kW reflected through the drivetrain loss. The coast-down equation remains the same and is given by -mdv/dt=98.33+.4103v^2 For the "competition" P&G we have a pulse from 12MPH to 34MPH which takes 30.3 seconds and covers 353 meters. 16.6 grams of fuel are consumed for an average pulse FE of 36.5MPG. The glide from 34MPH to 12MPH takes 87.3 seconds and covers 860.9 meters for a glide efficiency of a nice 66.7%. So the competition P&G segment yields a distance travelled of 353+860.9=1213.9m or .754miles. The 16.6 grams of gasoline amounts to about .006 gallons yielding a whopping 125.3MPG. For the light traffic P&G the pulse is at 19MPH and the glide remains 34MPH. This yields a pulse time of 25.3 seconds and distance of 316.8m. The glide from 34-19 takes 54.3 seconds and covers 632.7 meters for a glide efficiency of 62.4%. Fuel consumed is 13.9 grams for 117.1MPG. For the heavy traffic P&G the pulse entry is 28MPH and glide entry remains 34MPH. This results in a pulse of 13.3 seconds that covers 188.4 meters and consumes 7.3 grams of fuel. The glide from 34MPH to 28MPH takes 19 seconds and covers 266 meters for a glide efficiency of 56.1%. Fuel consumed is 7.3 grams for 106.7MPG. In all of the above cases the ICE efficiency is exactly the same. The improvements in MPG come from the improvements in glide efficiency. Wayne, I am in violent agreement with you that 75MPG can not be achieved in the FEH when averaging speeds at which regen is beneficial. And even at that, the regen-EV is only good until the battery temp reaches about 85F at which point the A/C compressor will run whenever the ICE runs. My personal best was a P&G from 15MPH-25MPH which yielded 78.9MPG on straight gas for 5 miles.