Mr. Fusion Posted January 19, 2013 at 02:52 AM Report Share Posted January 19, 2013 at 02:52 AM Was happy to see it can go well above 62mph when in EV now mode. (Up to 85mph) But what happens when EV now is depleted? Since 62mph isn't real life highway driving, I was hoping the Energi would let you go EV over 62mph when running as a normal hybrid. I doubt it will, but does anyone know? I drove a Fusion Hybrid the day I ordered the Energi. Applying my FEH driving habits, there's no doubt I can get some good hybrid mileage, but if limited to 62mph... Highway mileage may be hard to come by. Quote Link to comment Share on other sites More sharing options...
ChuckJ Posted January 19, 2013 at 01:12 PM Report Share Posted January 19, 2013 at 01:12 PM I'm pretty sure I read that it would be in hybrid mode after that, but you've got to remember that the engine will have to charge the battery back to a certain point before the full or partial electric will kick back in. Conversely, the Volt stays in electric and the engine acts as a generator. ChuckJ Quote Link to comment Share on other sites More sharing options...
Mr. Fusion Posted January 20, 2013 at 12:58 PM Author Report Share Posted January 20, 2013 at 12:58 PM I don't think I'm going to get my answer until I actually drive one. Ford's spec sheet says "top speed in EV: 62 for hybrid, 85 for Energi" Same Electric motor in both, so you know the Hybrid can physically go over 62 EV, so why not let it? Let it go in and out of EV at 70mph. I would think that would be more efficient. The spec sheet I find on the C-Max is much better than anything I find on the Fusion, and the only difference besides battery capacity and weight is top speed (lower for Energi) and the coolant capacity is bigger in the Energi (Because of weight??) I have to assume that once the extra 6.2 kWh (7.6 - 1.4) in the battery is depleated, it's 100% acting like a Hybrid, except heavier. Quote Link to comment Share on other sites More sharing options...
energifan Posted January 22, 2013 at 05:12 PM Report Share Posted January 22, 2013 at 05:12 PM On the 'other' forum there was a writeup about speed. The person there figured the top speed only applies to EVNow mode and not to the normal hybrid driving mode.http://www.myfusionenergi.com/forum/viewtopic.php?f=6&t=77 Mr. Fusion 1 Quote Link to comment Share on other sites More sharing options...
jsamp Posted February 12, 2013 at 10:50 PM Report Share Posted February 12, 2013 at 10:50 PM I don't think I'm going to get my answer until I actually drive one. Ford's spec sheet says "top speed in EV: 62 for hybrid, 85 for Energi" Same Electric motor in both, so you know the Hybrid can physically go over 62 EV, so why not let it? Let it go in and out of EV at 70mph. I would think that would be more efficient. Wind resistance is exponential, not linear. The added effort to go 70 vs 65 is more than the added effort going 65 vs 60. At higher speed, electricity starts losing it's efficiency advantage and has to work harder than an ICE to keep the car at speed. Yes, it CAN go 85mph on electric, but that's not necessarily the most efficient way to do it. Quote Link to comment Share on other sites More sharing options...
shaggy314 Posted February 13, 2013 at 09:42 PM Report Share Posted February 13, 2013 at 09:42 PM And since the Energi has a much larger battery, it can maybe maintain that speed whereas the hybrids loose juice too fast or doesn't have as big EV 'tank' to get you up to that speed and hold it. Quote Link to comment Share on other sites More sharing options...
yojroz Posted February 13, 2013 at 10:34 PM Report Share Posted February 13, 2013 at 10:34 PM From my understanding if you put the car in EV Now mode, once the electric charge is depleted, you switch to a hybrid engine, BUT as you recharge the battery some (like braking) the car will automatically go back to using all electricity when it's most efficient to do so. You can't think of the hybrid function of the engine as a 50/50 split. It's dynamic. If you are accelerating quickly it will be like an 80 gas/20 electric whereas if you are cruising at a steady 40 mph it will be more like a 80 electric/20 gas. I don't remember where I read it, but I saw that it's estimated that if you drive "average" conditions, after your 20 miles of electric use is depleted, every 30-40 miles you drive should generate an extra 6 or so of all electrical use. That's pretty good regen. Quote Link to comment Share on other sites More sharing options...
Mr. Fusion Posted February 13, 2013 at 11:15 PM Author Report Share Posted February 13, 2013 at 11:15 PM My original question is will it go over 62 mph in hybrid mode, EV. Meaning will the engine shut off over 62 after the EV Now is delayed. Sounds like no, just like a regular hybrid. Quote Link to comment Share on other sites More sharing options...
jberger Posted February 13, 2013 at 11:53 PM Report Share Posted February 13, 2013 at 11:53 PM My original question is will it go over 62 mph in hybrid mode, EV. Meaning will the engine shut off over 62 after the EV Now is delayed. Sounds like no, just like a regular hybrid. Yes it will go up to the top speed of the battery. So to be clear, it will exceed 62 after the EV Now is depleted. However, the battery needs to be charged enough to do this, which would make it so it could go back into EV mode anyways. It takes alot of battery power to exceed 60mph for an extended length. Quote Link to comment Share on other sites More sharing options...
Mr. Fusion Posted February 13, 2013 at 11:59 PM Author Report Share Posted February 13, 2013 at 11:59 PM Yes it will go up to the top speed of the battery. So to be clear, it will exceed 62 after the EV Now is depleted. However, the battery needs to be charged enough to do this, which would make it so it could go back into EV mode anyways. It takes alot of battery power to exceed 60mph for an extended length. Is this confirmed? So you're saying, after EV Now is depleted, as it's operating as a regular hybrid, I'll be able to use the gas engine and speed up past 62, and when I let up, the ICE will shutdown? My understanding is that the ICE will run until you're under 62, then it will shut off. Quote Link to comment Share on other sites More sharing options...
jberger Posted February 14, 2013 at 12:08 AM Report Share Posted February 14, 2013 at 12:08 AM (edited) Is this confirmed? So you're saying, after EV Now is depleted, as it's operating as a regular hybrid, I'll be able to use the gas engine and speed up past 62, and when I let up, the ICE will shutdown? My understanding is that the ICE will run until you're under 62, then it will shut off. – Vehicle can travel in electric mode up to 85 mph– Engine start-up will occur if lithium-ion battery recharge is required or acceleration exceeds electric motor capability– If the lithium-ion battery is very cold or very hot, the engine may engage sooner than under standard operating conditions — this is standard– When the lithium-ion battery has been depleted or certain conditions are met, the vehicle switches over to hybrid operation (gasoline engine working separately or with the electric motor) for continued optimal fuel efficiency There is nothing about this 62mph limit in any Energi Source books. Where did you hear this? There is nothing about this in regards to Cmax Energi either, which are the same systems. Edited February 14, 2013 at 12:09 AM by jberger Quote Link to comment Share on other sites More sharing options...
Mr. Fusion Posted February 14, 2013 at 12:20 AM Author Report Share Posted February 14, 2013 at 12:20 AM The Fusion hybrid won't shut down the ICE until it's 62 or under. The Energi will act as a hybrid once the EV Now battery is depleted, so I'm assuming the top speed in electric will be 62. Quote Link to comment Share on other sites More sharing options...
jberger Posted February 14, 2013 at 12:21 AM Report Share Posted February 14, 2013 at 12:21 AM The Fusion hybrid won't shut down the ICE until it's 62 or under. The Energi will act as a hybrid once the EV Now battery is depleted, so I'm assuming the top speed in electric will be 62.This isn't true for the Energi, only the Hybrid. Quote Link to comment Share on other sites More sharing options...
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