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Old 01-24-2013, 06:42 PM   #1
torquemada
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‘Maximum' Bob Lutz isn't your normal octogenarian. When he's not flying around in his ex-communist-bloc Aero L-39 Albatros fighter jet, he's still making changes to the car industry.

Earlier this week we showed you his latest project: fitting a ruddy great 6.2-litre Chevy V8 inside the previously eco-friendly Fisker Karma. But the man who had a large hand in shaping America's path into fuel efficiency with the Chevy Volt/Vauxhall Ampera hasn't lost his green fingers.

No, Bob's now cleaning up the utility industry by introducing the first extended-range electric pickup trucks - which just happen to have 800 horsepower and can do 100mpg.

Via Motors, a company he's backing, unveiled this at the Detroit Motor Show: the X-Truck Concept. It may look like a re-bodied and beefed up Chevy Silverado on the outside - which it is - but underneath there's a plug-in hybrid powertrain. So it works along the same lines as a Volt or Ampera.

There are two 402 horsepower electric motors that power the car: a 24-kWh, liquid-cooled lithium-ion battery pack and a 5.3-litre GM V8. The engine isn't the main source of power, but just comes in to play when the battery is down to 20 percent state-of-charge. Then that big V8 will kick in to power you along and charge up the pack. When the battery is back up to 25 percent, the V8 pipes back down again and you're cruising solely on electricity.

Via claim that you can achieve "over 100mpg in typical local daily driving" by utilising the electric motors rather than that big, thirsty V8. But if you're anything like us, with 800hp on tap, that could be quite a challenge.
http://www.topgear.com/uk/car-news/V...ept-2013-01-16
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Old 01-24-2013, 07:18 PM   #2
shikataganai
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100 MPG… when totally not accounting for the electrical energy used. No way in hell that's getting 100 MPGe in electric mode.
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Old 01-24-2013, 07:59 PM   #3
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Originally Posted by shikataganai View Post
100 MPG… when totally not accounting for the electrical energy used. No way in hell that's getting 100 MPGe in electric mode.
It might - if you assume a best case scenario of slow speed city driving.
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Old 01-24-2013, 08:13 PM   #4
quentinberg007
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I'm sure it will overpromise and under deliver like most Lutzmobiles. And he'll ensure lots of chrome and large diameter wheels.
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Old 01-24-2013, 08:14 PM   #5
shikataganai
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Originally Posted by scott_gunn View Post
It might - if you assume a best case scenario of slow speed city driving.
http://www.viamotors.com/wp-content/...ure-50-web.pdf

"Up to 40 miles" on 24 kWh of electricity. That's 600+ Wh/mi, or <56 MPGe by the EPA's formula.

Charge sustaining fuel economy of 24-26 MPG speaks for itself, although there's bull**** in the air if a 15 gallon tank only yields 300 total miles inclusive of the 40 via electricity.
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Old 01-24-2013, 10:00 PM   #6
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This whole "claiming" fad needs to die.


No way in hell that brodozer is even getting a 1/4 of the suggested 100mpg.
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Old 01-25-2013, 09:39 AM   #7
mneste8718
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What is really silly is that having a hybrid in this configuration hurts the efficiency of the vehicle more (unless certain other variables are taken out). A gas engine is 25 to 35% efficient at converting gasoline to kinetic energy. Then the gas engine is connected to a generator which is 94% to 98% efficient. And so, things are not more efficient than before, just the opposite, you're adding another thing to the system that draws down the efficiency.

With that said, if the electric motors are directly driving the wheels, then it is a different story because the transmission draws down about 15 to 25% of power, in which case you have gained some efficiency if you are bypassing all that (though the motors themselves aren't perfect and so they are drawing down efficiency as well). But then you have to consider the added weight of batteries and their ability to hold a charge and how efficient they are at it. It doesn't really add up for me...
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Old 01-25-2013, 09:58 AM   #8
SCRAPPYDO
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Remember guys this is Lutz we are talking about...he opens his mouth and feces spews forth most of the time. At first I thought he was a moron, now I think he just knows how to get attention.

The stupid media feed off of claims and hype. Until this thing does not make 100 mpg it will be talked about for weeks. In todays 'I will publish anything that has to do with being green' mentality, Bob Putz knows how to play the game. Build hype first, then maybe or maybe not deliver.

It worked for the Volt (er sort of), and it will work here.
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Old 01-25-2013, 12:31 PM   #9
shikataganai
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Their claim for "100 MPG" is based on a 50 mile duty cycle.

24 kWh to go the first 40 miles, unaccounted for, of course, then 1/2 gallon @ 20 MPG to go the last 10 miles. Voila: "100 MPG."

Hucksters and shills, they are.
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Old 01-25-2013, 06:28 PM   #10
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Wasn't something similar done for their 230mpg claim on a volt?
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Old 01-26-2013, 12:33 PM   #11
PlanB
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That fool Lutz likely meant 100 miles/per/tank.
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Old 01-26-2013, 12:51 PM   #12
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This truck better sell based on efficiency, because it sure won't sell based on its looks.
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