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Old 03-31-2010, 04:42 AM   #1 (permalink)
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FedEx rolls out electric trucks of the future

Just figured people around here might like to see what FedEx has been up to. Fully electric delivery trucks.

FedEx rolls out electric trucks of the future

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Old 03-31-2010, 10:45 AM   #2 (permalink)
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Interesting. 100 mile range (cargo & truck).
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Old 03-31-2010, 11:08 AM   #3 (permalink)
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Interesting. I'm surprised that UPS and FedEx haven't already gone series hybrid (other than a few test trucks.)
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Old 03-31-2010, 11:13 AM   #4 (permalink)
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There you go... guess there are UPS diesel hybrid trucks - 6 trucks! (with 200 on order).
Diesel Hybrids Deliver Big Savings to UPS | Autopia | Wired.com
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Old 03-31-2010, 11:46 AM   #5 (permalink)
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Quote:
Originally Posted by Clev View Post
,,I'm surprised that UPS and FedEx haven't already gone series hybrid...
Series (serial) is brain dead from the start (like the volt ICE setup).

The link above indicates a parallel system for the ups setup.
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Old 03-31-2010, 01:34 PM   #6 (permalink)
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I was always lead to believe that series hybrid was better than parallel?

Anyhooo, theyve had these for a little while in the UK, seen them around London a couple of times

Tried to persuade my boss to get one, but you need a 7.5 tonne license to drive on in the UK. Plus we've just started doing much longer distance work.
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Old 03-31-2010, 01:40 PM   #7 (permalink)
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Quote:
Originally Posted by colonelk View Post
I was always lead to believe that series hybrid was better than parallel?
It is, if done right. The Volt is a poor series hybrid. A proper series hybrid truck would use solely electric propulsion to the wheels, and keep the batteries charged (and send power directly to the motors, if appropriate) with a small highly efficient diesel that always runs at its sweet spot. In delivery service, the engine could kick on at, say, 50% DOD, and off at 75%. Topping off and equalization would be handled by the grid at night.

A parallel hybrid, on the other hand, either runs the engine throughout its RPM range (reducing efficiency), or uses a complicated transmission that may not be long-lived enough in a medium duty application.
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Old 03-31-2010, 02:06 PM   #8 (permalink)
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aaaaah rightyo. Must confess I havent spent much time looking at the Volt, for the basic reason I cant afford one / wouldnt buy one!

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