• Aug 13th 2009 at 4:58PM
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Nissan isn't being shy about introducing a slightly new wrinkle into the public awareness of electric vehicles with its "100% Torque" tagline for the new Nissan LEAF. We asked Mark Perry, director of product planning and advanced technology strategy for Nissan NA, about the line and he said that it's pretty simple. Nissan has a long history of the building cars that provide a memorable driving experiences, Perry said, and in order to set itself apart from the coming EV rush – at least in customers' minds – emphasizing how this experience can be had in a zero emission vehicle is just good marketing. The LEAF is not a GTR, but it will most likely surprise everyone who things electric = golf cart. "100% Torque" is meant to reduce the number of people who assume that.

Of course, being an EV, there are other numbers of note. For example, Nissan's Twitter stream claimed, just after GM made the 230 mpg announcement for the Volt, that the mpg equivalent of the LEAF is, get this, 367 mpg using the DOE's mpge ratings.

[Source: Nissan, Automotive News (subs req'd)]

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    • 1 Second Ago
      • 6 Years Ago
      but the battery is for lease. I expect this to come worse than the insight. too much hype, too few buyers.
      • 6 Years Ago
      I already have a prius so the range extending mode of the volt doesn't interest me given the 40k+ price tag. But we have 2 cars and a leaf could easily fill in as the daily commuter car and allow us to get rid of our older gas burner.

      I would like a little more range though, 150 miles would be nice. I would like to travel to the inlaws (75 miles) at 65mph one way. Which could be a little challenging with the current range depending on if they expect mixed driving(50% low speed, 50% highway) to get the 100 mile range.
        • 6 Years Ago
        I assume you'll be spending *time* at the inlaws, so you should be able to charge at least a little bit there. :P

        More than likely it would be enough, perhaps even more than enough, depending on how long you visit.
        • 6 Years Ago
        Other than the fact you own a Prius and so dont have a need for a Volt, you just made a very good case for the value of the range extender.
        • 6 Years Ago
        I'm seriously considering getting a leaf when it comes out or something similar. It takes me a few years to make a decision, so no worries about that.

        The range problem just isn't a problem for me. I have a Subaru forester that my wife drives, good for long trips. This would replace my current sub-compact that gets me to work and lunch and the grocery store. All that matters is how much room is inside. If it can hold $150 in groceries then I'm ok.
      • 6 Years Ago
      In bringing up the GTR, it reminds me that Nissan is not of the habit of overrating their numbers. The "480 hp" GTR has measured more than that at the wheels (with all the drivetrain losses) and outruns lighter cars with more rated horsepower. There has been a lot of speculation about whether or not Nissan is being optimistic with their numbers on this car. With the GTR in mind and considering the massive investment they are making (mass-producing the vehicle in plants on 3 continents), I would doubt they are inflating the numbers.
      • 6 Years Ago
      Do you think 367 is just making fun of GM, or is the DOE's system really that bad, that it would give mpg equivalents for BEVs? I hope that's just a joke.
        • 6 Years Ago
        Sean, I don't think your calculations for the Leaf are correct.
        You are assuming that they only use 80% down to 30% of the battery, and so get 100 miles for 12kwh.
        This works out to an unheard of 120watts/mile.
        Draining the battery pretty well completely explains why they reckon they will only get a lousy 44k miles from it over an estimated 7 years - just 16 or 17 miles/day on average.
        Everything I have seen indicates that the Leaf will be a clunker, unfortunately.
        • 6 Years Ago
        I got this from Sean Morris on another thread.

        The calculation is from this formula:


        However, there is a huge problem with this formula. It assumes there is 82kWh of energy in a gallon of gas, but there isn't, there are only 33.1kWh (144,000 BTU).

        If you correct the formula for the proper amount of energy in a gallon of gas, the LEAF only gets about 150mpge, which the same as the Tesla and the Volt.

        It is unclear to my why the government has a vastly incorrect figure in there.

        They use the LA4, or Urban Driving Dynamometer Schedule, it said so in Nissan's press release.

        I'd give you a link for it, but AB has been killing posts with links lately. I'll just say you can google for it and get the data from the UDDS. It is strictly a city driving test.
        • 6 Years Ago
        There are approximately 36 KWh in one gallon of gasoline (that is If a ICE were 100% efficient it would get 36KWh out of it)

        If the Leaf uses its battery from 80% to 30% charge to reduce wear (as the Volt does) and goes 100 miles per charge then it takes 12KWh (half of the battery max capacity) per 100 miles = 0.12 KWh/mile = 8.33 miles/KWh

        8.33 miles/KWh * 36KWh/gallon = 300 mpg equivalent on whatever cycle they calculate their range on. 367 in the city sounds reasonable even if they use more than 50% of the battery capacity.
        • 6 Years Ago

        Thanks for the explaination, that's the first time I've seen that calc.
      • 6 Years Ago
      100 miles / 0 gallons = ERROR. Let's get away from MPGe before we get into the CFL problem, where 17w bulbs are labeled as 60w bulbs.
      • 6 Years Ago
      Is the mpg conversion method finalized at DOE (or EPA)?
      For me, those high mpg now makes small difference in energy price. No big deal!
      I am more interested in why GM changed its mind and new Buick crossover SUV has travel distance less than 40mile (poor mpg).
      Just to save the money?
        • 6 Years Ago
        See my post above, it is a government mandated conversion formula. But it's also horribly flawed and produces flat-out incorrect figures.
      • 6 Years Ago
      Someone has to put a stop to these so called Miles Per Gallon claims. I can get my 15 year old Acura to get 200 MPG if I drove it a certain way. This is just getting crazy!
      • 6 Years Ago
      I am starting to think that the MPGe is simply the 100% conversion of gas into electricity, which of course is not accurate, as there are efficiency losses. If the Aptera is 300 MPG (which I do feel their calculation is accurate) and the Tesla Roadster is ~125 MPG (which I do feel their calculation is accurate) then I don't see the Leaf or the Volt being at all accurate based on their sizes, weights and relative aerodynamics. I can see that the relative proportion of the efficiency of the Leaf Vs the Volt being accurate I just don't think the system of MPGe is accurate. But whatever gets people interested and paying attention. We will eventually find out how it has been calculated.
        • 6 Years Ago
        Its not as much an energy conversion metric as a cost savings one. I think they chose their calculation based on cost savings going electric when refueling.
      • 6 Years Ago
      This just shows the fallacies of the EPA's MPGe or whatever...

      Like other have said before: just two numbers:

      1. miles/kwh
      2. MPG for charge sustaining mode.

      Both numbers would apply/publish to the Volt. The MpKwh would apply to pure electrics. Nothing more!
      • 6 Years Ago
      Thanks "why not the LS2LS7?"

      They are not even trying to be accurate. They are giving extra 'points' to designs they want to encourage.
      "(1) If the electric vehicle does not have any petroleum-powered accessories installed, the value of the petroleum equivalency factor is 82,049 Watt-hours per gallon.

      (2) If the electric vehicle has any petroleum-powered accessories installed, the value of the petroleum-equivalency factor is 73,844 Watt-hours per gallon."

      The real value is aprox 36,000 Watt-hours per gallon

      This puts the Leaf at 0.22KWh per mile
      Previous article put the Volt at 0.25 KWh per mile

      Is the Tesla's 135mpge using the same BS system?
        • 6 Years Ago
        They can give extra points all they want. But to then call it "miles per gallon equivalent" is a lie because it isn't equivalent. And it makes Nissan's statements of 367mpg inaccurate (I'm not calling Nissan liars, just incorrect, since I believe they made the statements in good faith).

        As to the figure, Wikipedia says 114,000BTU/US gallon. 114,000BTUs is 120.2M Joules, which is 33.4kWh, not 36kWh.

        At 0.22kWh/mi, that makes the Leaf 151.8 miles per gallon (US) of gas.
        At 0.25kWh/mi, that makes the Volt 133.6 miles per gallon (US) of gas.

        The Tesla is about 48kWh total battery use to go about 220 miles. That's about 0.22kWh/mi., which makes it 151.8 miles per gallon (US) of gas. Maybe a little more if you think I'm being conservative about the range. Less if you think the range on the Tesla really goes all the way to 0% SoC.

        No matter what excuses you make for the 367mpge figure for the Leaf, it doesn't mean anything more than the Volt 230mpg figure does. Legally, I'm sure Nissan is clear to advertise it, but factually they're full of crap.
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