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Old 05-14-2011, 01:35 AM   #11 (permalink)
 
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Default Re: Nissan Leaf Sales Surpass Volt in April

Have you ever tried to get the internal combustion engine to engage with the wheels in your Volt? Ever succeeded? If so, how did you know? (just curious)
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Old 05-14-2011, 04:09 AM   #12 (permalink)
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Default Re: Nissan Leaf Sales Surpass Volt in April

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Originally Posted by randyd
Have you ever tried to get the internal combustion engine to engage with the wheels in your Volt? Ever succeeded? If so, how did you know? (just curious)
The user has no control over whether the engine on the Volt mechanically engages the drivetrain. If you want more details on that there are posts on http://www.gm-volt.com that cover the topic. But most users will never see that happen, unless they are going over 70 mph and a grade greater than 5%. GM has stated they decided to have it engage mechanically at that point because it was more efficient to do so.



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Old 05-15-2011, 04:19 PM   #13 (permalink)
 
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Default Re: Nissan Leaf Sales Surpass Volt in April

GM blew the entire concept of EREV. The whole point of the E-Flex (now called Voltec) platform was to eliminate the physical linkage between the gas engine and the drive wheels. By re-introducing that link, they have created a very technologically advanced hybrid, but fell short of the "extended range electric vehicle" in my opinion. It's certainly not what GM initially sold many of us on.

Also, the "only when it's going over 70MPH in charge sustaining mode" explanation is made by the very same people at GM that suggested there was no physical linkage between the gas engine and the drive wheels- and that "the gas engine would only function as a genset". In other words, I'm highly skeptical that those are the only conditions in which the drive wheels are powered solely by the gas engine. In fact, Pam Fletcher said it can also play a part at speeds as low as roughly 35 mph. If I wanted a car that operates on battery up to 35MPH, I would buy a Ford Fusion Hybrid.

Don't get me wrong, the Volt is probably the best hybrid on the market. But it's not an electric car, and it's not a series hybrid. I have a feeling the Energi will have a similar setup to the Volt- but I hope Ford doesn't abuse the trust of the enthusiasts that follow the development of that car.

I, for one, can't wait for the Focus Electric.
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Old 05-15-2011, 09:44 PM   #14 (permalink)
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Default Re: Nissan Leaf Sales Surpass Volt in April

Quote:
Originally Posted by focus
GM blew the entire concept of EREV. The whole point of the E-Flex (now called Voltec) platform was to eliminate the physical linkage between the gas engine and the drive wheels. By re-introducing that link, they have created a very technologically advanced hybrid, but fell short of the "extended range electric vehicle" in my opinion. It's certainly not what GM initially sold many of us on.

Also, the "only when it's going over 70MPH in charge sustaining mode" explanation is made by the very same people at GM that suggested there was no physical linkage between the gas engine and the drive wheels- and that "the gas engine would only function as a genset". In other words, I'm highly skeptical that those are the only conditions in which the drive wheels are powered solely by the gas engine. In fact, Pam Fletcher said it can also play a part at speeds as low as roughly 35 mph. If I wanted a car that operates on battery up to 35MPH, I would buy a Ford Fusion Hybrid.

Don't get me wrong, the Volt is probably the best hybrid on the market. But it's not an electric car, and it's not a series hybrid. I have a feeling the Energi will have a similar setup to the Volt- but I hope Ford doesn't abuse the trust of the enthusiasts that follow the development of that car.

I, for one, can't wait for the Focus Electric.
I hear you. I was similarly disappointed at hearing there was a mechanical link, especially after it was "denied" or not disclosed for so long. That said, IF there are points at which it is simply more energy efficient to let the engine drive the wheels, than to produce electricity to charge the battery to drive the wheels, doesn't it make sense to do that?

And I suspect you are correct that there may be other instances when the car derives traction power directly from the ICE, but again if during those moments it is more energy efficient to do so, isn't that really the best way to do it? But agreed GM should have been more fourthcoming.

The whole point is to be able to drive electric, and certainly people are able to do that with the Volt. Many are doing 90% electric no problem, and many of their "non electric" miles are from driving on long trips that no existing EV could handle, without some heroic efforts to set up charge points.



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Old 09-21-2012, 04:34 AM   #15 (permalink)
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Nissan has been working hard to give their costumers the best cars. The newest plan is to make a money-saver battery for Nissan Leaf. The Nissan Leaf sold well in its original offering, but sales have slowed much since that time. The higher price of EVs has hindered their adoption in the U.S., and much of that added cost is due to the battery. Now, the automaker is making a brand new battery for the Leaf that will save money. Others speculate it may also half the Leaf's charging time and boost its range. However, the car maker has been stingy with the details.
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