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Old June 28th, 2008, 08:00   #196
Kabin
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Looks like they're making a more sporty hybrid there. Smaller displacement engine would be do-able as the engine charges the battery over a period of time. From the looks of recent US auto sales sluggish is no longer registering as a negative.
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Old June 29th, 2008, 09:33   #197
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It's probably the perfect city car for the masses. It will help reduce smog within the city limits and it is probably a good marriage of the two technologies. Hope we see it here.
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Old June 29th, 2008, 10:26   #198
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Quote:
Originally Posted by Adam
http://blog.wired.com/cars/2008/06/vw-rolls-out-a.html

You know how we love plug-in hybrids around these parts, particularly if they're actually going to get built -- crazy, we know. Now it looks like Volkswagen is going to get into the game, with a "Twin Drive" Golf powered by a 122 horsepower diesel engine and 82 horsies of electric motor. The car should debut around 2010, and VW plans on spending $769 million on the project, helped along by a $23.5 million program put in place by the German government to help along such development. The car, which uses the electric motor for primary power, supplemented by the diesel motor and regenerative braking for extra juice, should be able to squeeze about 31 miles out of its Sanyo-developed lithium-ion batteries in all-electric mode.


Volkswagen's been toying with hybrids for awhile and got electric-vehicle advocates in a lather over the diesel-electric Golf it unveiled a few months ago. Now the company's promising a plug-in hybrid by 2010 and the German government's written a big check to make it happen.
VW boss Martin Winterkorn says gas and diesel engines will be around for a long time to come, but "the future belongs to all-electric cars." The automaker is staking a claim to that future with a plug-in hybrid drivetrain it calls Twin Drive. It will debut in a Golf fitted with a 122-horsepower diesel engine and an 82-horsepower electric motor.
"While the e-motor on a typical hybrid model just supplements the combustion engine, the exact opposite is true on Twin Drive," Winterkorn said during the car's unveiling in Berlin. "Here the diesel or gasoline engine supplements the e-motor."
Start-stop technology will save power and regenerative braking will help generate it. VW says the car will use lithium-ion batteries and have an all-electric range of 31 miles. The company recently signed a deal with Sanyo to develop li-ion batteries; the electronics company plans to begin production next year and says it will spend $769 million on the effort during the next seven years.
Winterkorn says VW will have a demonstration test fleet of 20 Twin Drive Golfs on the road by 2010, but there's no word yet on whether the car will see production. Still, Germany's Interior Ministry is eager to see plug-in hybrids on the road ASAP, so it's announced a $23.5 million dollar program to help VW and other automakers develop such vehicles within four years. Germany's environmental minister, Sigmar Gabriel, says there could be 1 million hybrids on the road in Germany by 2020 and 10 million a decade after that.
Great info, why does everything take so long. Sure would be nice if all of this were planned for now.
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Old June 30th, 2008, 05:26   #199
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What about the VW 1L?

http://mobillacura.wordpress.com/200...g-car-in-2010/

I am trying to figure out VWs strategy. I doubt we will get a Golf Hybrid in the US; it's not popular enough to really sell well.

Alternatively, SMART and similar minicars seem to sell in a niche. Since the 1L is a 282MPG two seater that looks like a small aircraft with clipped wings might just work; and its striking me as the spawn of the eco-friendly trike that VW concepted a few years back.

Now a Hybrid Tiguan and Jetta and perhaps even a Passat, I can totally see. It appears to me that Hybrid technologies work best in brining larger vehicles (which typically sell better here) into the economy range of the smaller compact cars.

All that said should they bring back the beetle with a TDI hybrid, I'd be first in line.

I've seriously had to think about what a 2010 VW 1L would be like; would I want to ditch the Jetta for it? I only really drive myself around; and we have the CRD Jeep for moving large things and/or people.
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Old June 30th, 2008, 09:38   #200
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Default VW to fleet test plug-in hybrid/Diesel concept in 2010

http://www.autoblog.com/2008/06/26/v...ncept-in-2010/

VW to fleet test Twin Drive Golf plug-in hybrid concept in 2010

Volkswagen CEO Martin Winterkorn has revealed a new concept today called the Golf Twin Drive. The Twin Drive is a plug-in electric hybrid that uses a powerful 82-hp electric motor and a 2.0L turbodiesel producing 122 hp. The electric motor is fed energy from a pack of lithium-ion batteries that can sustain the car's mobility for about 50 kilometers or 31 miles, after which the diesel engine will take over propulsion duties. While we do know the Twin Drive also features start-stop technology and regenerative brakes, we're still a bit unclear on how everything works. From the way it's been described in the news and VW's somewhat vague press release that we've translated from German, the gas and electric motors are completely isolated, with one unable to provide the other assistance under heavy loads like in the Prius or a typical parallel hybrid. At the same time, the Twin Drive Golf doesn't sound like a series hybrid in the same vein as the Chevy Volt, as the gas engine (or diesel in this case) is directly connected to the drive wheels. In other words, the engine onboard is not simply a range-extending generator supplying power to recharge the batteries like in the Volt. What the Twin Drive appears to be is a plug-in hybrid with a very robust electric drivetrain that's forced to drag around an internal combustion engine in case it gets too far away from home. Regardless, when we find out exactly how Twin Drive works, we'll let you know.

Volkswagen is developing the Twin Drive system with eight German partners and is planning a trial fleet of 20 Golfs outfitted with the system in 2010. The German government is along for the ride, and for a good bit of green PR, VW promises the the electricity used to charge the fleet of test vehicles will be generated from renewable sources like wind and solar power.
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Old July 1st, 2008, 07:45   #201
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Default Golf Twin Drive Concept Car

This is the Volkswagen Golf Twin Drive Concept, and it looks even more promising than VW's late Golf TDI Hybrid from Geneva. Evidently, the Twin Drive can be run in electric-only mode for a range of up to 30 miles using an 82 HP electric motor. But, there's also a 2.0-liter turbo-diesel that makes 122 HP which can take over once the batteries have been drained. When the two powerplants combine, you become Captain Planet have a parallel hybrid with about 174 HP. The range is aided even further by regenerative braking to charge the batteries, and start-stop technology that shuts the engine off when idling in traffic.
http://jalopnik.com/397242/vw-golf-t...s-look-thirsty
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Old July 1st, 2008, 10:20   #202
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Quote:
Originally Posted by buckeye96
From the way it's been described in the news and VW's somewhat vague press release that we've translated from German, the gas and electric motors are completely isolated, with one unable to provide the other assistance under heavy loads like in the Prius or a typical parallel.
It appears to be a parallel hybrid: http://carscoop.blogspot.com/2008/06...g-plug-in.html

And they got 94 mpg on a test drive !

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Old July 1st, 2008, 17:00   #203
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Default The Twin Drive is a totally different car from the Geneva Diesel Hybrid

Geneva Diesel Hybrid: turbocharged 75 HP 3-cylinder diesel, a 27 HP electric motor with a trunk-mounted NiMH battery, and a 7-speed DSG
http://jalopnik.com/363007/vw-golf-t...of-both-worlds
Twin Drive: 82 HP electric motor...[and] a 2.0-liter turbo-diesel that makes 122 HP
http://jalopnik.com/397242/vw-golf-t...s-look-thirsty
I was kinda miffed...this is new news and deserves it own front page posting, not just lumped in with the old news Geneva car...
'course others posted it first....
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Previous cars:
  • 1998 VW Golf VR6 GTI, Garrett Chip, Shine Suspension, bagged by a deer one rainy midnight, *&%$ insurance people totalled it
  • 1985 VW Golf GTI
  • 1975 (or so) VW Golf Diesel, much grief, finally stuck a Weber carburetted Scirocco engine in, HOT!
Rides of my Youth:
  • 1929 Type 40 Bugatti
  • 1932 Type 49 Bugatti
  • 1960 3.5 Liter Maserati GT (a chipped VR6 mill is a match of the Maserati mill)
  • English Ford Anglia
http://www.sdean.net/bugattis.htm
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Old July 12th, 2008, 18:14   #204
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Default TDI hybrid.

attached is the link for reference

http://blogs.cars.com/kickingtires/2...lf-hybrid.html

Volkswagen’s plans to build a diesel-electric hybrid version of its European Golf hatchback — known here as the Rabbit — are all but official. The Golf TDI Hybrid, set to arrive at next week’s Geneva auto show, will likely sport a 2.0-liter diesel engine coupled with an electric motor to the tune of 83 mpg, the UK’s Auto Express News reports. Wired magazine puts the mileage figure at around 70 mpg — still nothing to sneeze at — and says the car’s CO2 emissions will be less than that of a Toyota Prius or Honda Civic Hybrid.
All the goings-on of a typical hybrid should be present: aerodynamic enhancements to cut wind resistance, regenerative brakes to charge the battery and a drivetrain capable of puttering around at low speeds in electric-only mode. Volkswagen of America spokesman Clark Campbell wouldn’t share any official details, but he did say there are no current plans to bring the car stateside.
Autoblog reports that the transmission will likely be Volkswagen’s DSG double-clutch gearbox, of which we’re big fans. We’re also intrigued by the combination of a torque-rich diesel engine and a torque-rich electric motor — meaning this thing might really move from a stoplight. Naturally, we’ll start the drumbeat for Volkswagen to think about bringing it here.
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Old July 22nd, 2008, 07:34   #205
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I hope the part about it being a plug-in are correct.

I'm not a big fan of hybrids in general but it becomes a lot more interesting to me if I can plug it in when I get home. Then I start out with a full charge in the morning and it is just that much more likely that I will get through my town chores without needing the gas/diesel engine at all. IMO, that's the way all hybrids should be designed.

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Old July 23rd, 2008, 00:22   #206
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Quote:
Originally Posted by buckeye96
While we do know the Twin Drive also features start-stop technology and regenerative brakes, we're still a bit unclear on how everything works.
It's not that unclear.

1) There's a TDI with a fixed-gear transmission (think 6th gear) and a clutch to the front wheels. So it can drive the car directly at high speeds

2) There's a motor/generator at the front, which can be clutched to the TDI to generate power at lower speeds (series hybrid mode) or drive the car with the TDI not running (EV mode)

3) There are in-wheel motors in the rear wheels

4) There's a big battery

So basically the TwinDrive is a plug-in series hybrid (à la Volt) with the added ability to function as a parallel hybrid when it makes most sense - at highway driving.
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Old October 21st, 2008, 16:50   #207
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http://www.autoexpress.co.uk/carrevi...win_drive.html

--- 10 pictures are on the article also ---

"Here’s the Golf’s not-so-evil twin! This is the Twin Drive – Volkswagen’s late, late ticket to the electric hybrid party. But it’s got a trick up its sleeve. The car is the first-ever hybrid to feature a diesel engine – and Auto Express has driven it!


There are only 20 Twin Drive prototypes in existence, but we got behind the wheel to give you the definitive verdict on VW’s clean, green derv sipper. And sip diesel it does. Bosses say this Golf returns 113mpg (imperial) – that’s more than twice what a 2.0-litre TDI can muster!


The unbelievable economy comes from the blend of a frugal 1.5-litre common-rail diesel and three electric motors: one in the bonnet next to the engine and one in each of the back wheels.


When travelling at speeds of up to 31mph, the Golf takes its power from the electric motors solely. But only if driven gently – the diesel motor will take over if the accelerator is pressed hard, providing a slug of extra power.


Beyond 31mph, the oil-burner kicks in as a matter of course, charging the battery and driving the car. At motorway speeds, the diesel provides the go.

Silent

Together, the electric motors and engine produce 175bhp. How does this translate on the road? Well, the Golf is eerily silent at start-up and travelling below the magic 31mph mark. It feels heavy, but rides well and handles with the composure you expect of the VW hatch.


The car weighs 250kg more than a 4MOTION TDI, although the fact that two of the motors are at the rear means the burden is spread evenly, so handling isn’t affected too severely.


Charging the Twin Drive is easy, with plug-in points in the front and rear bumpers. It takes four-and-a-half hours from a 220V source. VW says that costs about £1.40 at current prices, for around 30 miles of urban driving. Stop-start technology helps conserve the charge of the water-cooled electric motors in town.


So it drives well, seats four adults like any other Golf and has incredible economy. It’s just a pity VW isn’t putting it into production for seven years.

Rival: Toyota Prius
Say hybrid and the word Prius springs to mind. But oddball looks hamper its appeal, while many modern diesels now provide better fuel returns."
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