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    john1701a Prius Guru

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    That's only CARBON type.

    The SMOG type is unrelated to efficiency. That's where the emission-rating of PZEV really matters.

    Diesel can deliver that, but it more difficult and more expensive than with gas.
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    ProximalSuns Senior Member

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    Well EPA calls it Greenhouse Gases and if you read it, they note other components besides the CO2 but we can say for emissions purposes (your word) EPA rates the modern car Diesels about equal with gas in regard to emissions.
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    john1701a Prius Guru

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    That would be called greenwashing. The ratings are provided for a reason...

    I strongly suggest you refer to CARB before dismissing an entire category of emissions.

    SMOG consists of pollutants very different from carbon measuresments from EPA.
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    ProximalSuns Senior Member

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    Well EPA calls it "tailpipe emissions" and you referenced "emissions". Those are the current official emissions ratings which apply equally to gas and Diesel cars.
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    john1701a Prius Guru

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    .
    LEV (Low Emission Vehicle) The least stringent emission standard for all new cars sold in California beyond 2004.

    ULEV (Ultra Low Emission Vehicle) 50% cleaner than the average new 2003 model year vehicle; rated for 100,000 miles.

    SULEV (Super Ultra Low Emission Vehicle) 90% cleaner than the average new 2003 model year vehicle; rated for 120,000 miles.

    PZEV (Partial Zero Emission Vehicle) Meets SULEV tailpipe emission standards, has a 15-year / 150,000 mile warranty, and has zero evaporative emissions.

    AT-PZEV (Advanced Technology - PZEV) Meets SULEV tailpipe emission standards, has a 15-year / 150,000 mile warranty, has zero evaporative emissions and includes advanced technology components.

    ZEV (Zero Emission Vehicle) Zero tailpipe emissions, 98% cleaner than the average new 2003 model year vehicle.
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    john1701a Prius Guru

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    NOx = nitrous oxides (combines with hydrocarbons in sunlight to form smog)

    NMOG = non-methane organic gases (combines with NOx in sunlight to form smog)

    CO = carbon monoxide (colorless, odorless, poisonous gas)

    PM = particulate matter (tiny particles of solid matter that lodge in the lungs)

    HCHO = formaldehyde (lung irritant and carcinogen)
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    Erikon Active Member

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    What does diesel have to do with the C-Max or Energi?
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    SageBrush Senior Member

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    Nothing.

    Sorry for the tangent I took with PS for a while.
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    GrumpyCabbie Senior Member

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    Erikon Active Member

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    Sigh, so that C-Max is real ugly, right? Who's with me here!
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    GasperG Member

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    Peugeot 3008 Hybrid4 - smal Diesel SUV has 0-62 mph time 8.5 s
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    walter Lee Hypermiling Padawan

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    The Prius is more than a hybrid tech(electric-motor-battery+regen brake system) integrated onto a Corolla. Toyota scraped the Corolla body entirely so there's a significant difference in aerodynamics and curb weight (even if the hybrid components were removed). The Prius also has some unique thermal systems to boost energy efficiencies like the CHS(2nd gen) and EHR(3rd gen). If fuelly.com stats are any indication of real world results then a 2010 Toyota Corolla gets and average of 30.5 mpg and a 2010 Toyota Prius gets an average of 47.6 mpg - this is an average of a 56% improvement in fuel efficiency. Note that the FE range for a 2010 Corolla is 19-41 mpg and FE range for a 2010 Prius is 38-61 mpg ( that is a range of 100% to 48.7% improvement) . ISTM that a Prius is much more than the sum of its parts.
    Last edited by walter Lee, Jul 23, 2012
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    walter Lee Hypermiling Padawan

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    Diesel normally cost atleast 10 cents more per gallon than regular gasoline.

    In addition, the emissions of a Prius are better than a Jetta TDI Sportswagon.


    ===================================
    2010 Toyota Prius
    Details | Green Vehicle Guide | US EPA
    ===================================
    NOx =00.055 gram/mile
    CO =02.100 gram/mile
    NMOG =00.055 gram/mile
    PM =00.010 gram/mile
    Smog =02.81 pounds/year
    Greenhouse gases = 2.97 tons/year

    ===================================
    2010 VW Jetta SportsWagen TDI
    Details | Green Vehicle Guide | US EPA
    ===================================
    NOx =00.070 gram/mile
    CO =04.200 gram/mile
    NMOG =00.090 gram/mile
    PM =00.010 gram/mile
    Smog =05.29 pounds/year
    Greenhouse gases = 4.96 tons/year

    here's example of a conventional gasoline car thats really popular in the Washington DC Metro area...
    ===================================
    2010 BMW 328i Manual/Automatic
    Details | Green Vehicle Guide | US EPA
    ===================================
    NOx =00.070 gram/mile
    CO =04.200 gram/mile
    NMOG =00.090 gram/mile
    PM =00.010 gram/mile
    Smog =05.29 pounds/year
    Greenhouse gases = 6.71 tons/year
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    walter Lee Hypermiling Padawan

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    Last April - when I was going eastbound on I-70 in Illinois-Ohio my Garmin GPS said I was clocking 80 mph but my 2010 Toyota Prius speedometer was reading 81 mph. Does the speedometer's accuracy vary with the speed?:confused:
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    Skoorbmax Senior Member

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    Probably have to let this pan out a bit more with final costs and official EPA, but if this thing really has combined 188 HP to the Prius V's paltry 134 and yet offers similar mileage at similar cost, I'd find this a highly compelling achievement.
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    fotomoto Senior Member

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    Thanks. Sorry that, even I, jacked my own thread. :)


    Back to the C-Max, I find the optional passkey powered liftgate to be a nifty feature. We had a powered liftgate on a Nissan Quest and I eventually came to love that feature. Especially while shutting it; no more dirty hands from pushing it closed. The other benefit is supposed to be when you have your hands full but then how do you get to your remote in your pocket/purse? That's where the "niftyness" of the the passkey/sensor shines through.
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    wxman Member

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    EPA's Green Vehicle Guide only lists the emission standards. The actual certified emissions of each vehicle is listed at Annual Certification Test Results & Data | Cars and Light Trucks | US EPA or for a more easy-to-read format, at the CARB site at On-Road New Vehicle & Engine Certification Program.
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    john1701a Prius Guru

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    Both larger engine-displacement and larger battery-capacity make that realistic. There's always some type of tradeoff. Cost is usually the biggest.
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    Sergiospl Senior Member

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    Can't find the size of its Lithium battery!
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    Reedja42 2012 Prius, Gen III, Barcelona Red, (FRED)

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    The other thing that we won't know, not for a while at least, is the reliability of the Ford compared to the Toyota. Surprised it hasn't been mentioned yet. Not knocking the Ford by the way, just that for a long time now Toyota has beaten the US Big Three in quality/reliability. Ford has definitely been improving; it will be interesting to see just how far they have come.

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