Carbon Footprint Emissions: Prius vs Volt vs Leaf

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Old 03 Jul 2010, 03:44 pm   #1 (permalink)
Neo
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Default Carbon Footprint Emissions: Prius vs Volt vs Leaf

summary:

A Department of Energy study found that
depending on which electrical utility region
an electric or plug-in hybrid recharges from
the carbon footprint of the electricity provider
to generate the electricity could be more
than the carbon footprint generated by a
regular gas-electric hybrid like the Toyota
Prius. The Western part of the USA, especially
the Northwestern USA states, is where electric
and plugin hybrids would generate less
carbon dioxide emissions than a regular
hybrid. However, in the Mid-Atlantic states
and the Upper Midwest States, a regular hybrid
like the Toyota Prius would have a smaller
carbon foot print than an all-electric car
like the Nissan Leaf. In New york, Ohio,
Illinoise, and the Southeastern states a
regular hybrid(like the Toyota Prius), would
have a smaller carbon foot print than an
all electric car (like the Nissan Leaf) OR
a plugin hybrid (like the Chevy Volt).


analysis/commentary:

Carbon foot print cause by electricity
used by a Plugin or All Electric vehicle
is very low if the electricity is generated
by hydroelectric, solar, geothermal or
wind power. Electric power generated by
nuclear power would have a radioactive
waste foot print (which is not identified in
the source story). The source story identifies
electrical utility regions where electricity
is mainly generated by using coal/natural
gas/diesel (fossil fuels) inwhich the electricity
used by a EV or PHEV would indirectly
generate a carbon dioxide footprint.


source:
The Dirty Truth about Plug-in Hybrids:
How green is that electric car?
Depends on where you plug in.
Michael Moyer. Scientific American.
July 2010. Vol. 303. Number 1. page 54-55


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Old 16 Jul 2010, 05:08 am   #2 (permalink)
Neo
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Default Re: Carbon Footprint Emissions: Prius vs Volt vs Leaf

On Jul 3, 3:44*pm, Neo <residualselfimage1...@gmail.com> wrote:
> summary:
>
> A Department of Energy study found that
> depending on which electrical utility region
> an electric or plug-in hybrid recharges from
> the carbon footprint of the electricity provider
> to generate the electricity could be more
> than the carbon footprint generated by a
> regular gas-electric hybrid like the Toyota
> Prius. The Western part of the USA, especially
> the Northwestern USA states, is where electric
> and plugin hybrids would generate less
> carbon dioxide emissions than a regular
> hybrid. However, in the Mid-Atlantic states
> and the Upper Midwest States, a regular hybrid
> like the Toyota Prius would have a smaller
> carbon foot print than an all-electric car
> like the Nissan Leaf. *In New york, Ohio,
> Illinoise, and the Southeastern states a
> regular hybrid(like the Toyota Prius), would
> have a smaller carbon foot print than an
> all electric car (like the Nissan Leaf) *OR
> a plugin hybrid (like the Chevy Volt).
>
> analysis/commentary:
>
> Carbon foot print cause by electricity
> used by a Plugin or All Electric vehicle
> is very low if the electricity is generated
> by hydroelectric, solar, geothermal or
> wind power. Electric power generated by
> nuclear power would have a radioactive
> waste foot print (which is not identified in
> the source story). *The source story identifies
> electrical utility regions where electricity
> is mainly generated by using coal/natural
> gas/diesel (fossil fuels) inwhich the electricity
> used by a EV or PHEV would indirectly
> generate a carbon dioxide footprint.
>
> source:
> The Dirty Truth about Plug-in Hybrids:
> How green is that electric car?
> Depends on where you plug in.
> Michael Moyer. Scientific American.
> July 2010. Vol. 303. Number 1. page 54-55



Both the Leaf and the Volt get about 100 miles/23kwh
charge which translates to 4.348 miles/ 1.00 kwh charge.

If electricity cost 18 cents/1.00 kwh charge then
the recharging cost would be 18 cents per 4.348 miles.
Supposing instead of buying gas at $2.70/gallon,
one buys $2.70 of electricity at 18 cents per kwh
($2.70/15kwh) - this would allow the Leaf or Volt
to travel an estimated 65 miles using electricity only.
A 2010 Toyota Prius using an equivalent $2.70/
gallon of gas would travel an EPA estimated 50 miles,

While hypermiling techniques could increase
the Prius's range - such techniques could also
increase the Leaf's or Volt's EV range as well...
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