The Fisker Karma electric car, developed mainly with your tax money so that a bunch of rich VC’s wouldn’t have to risk any real money, has rolled out with an nominal EPA MPGe of 52 in all electric mode (we will ignore the gasoline engine for this analysis).
Not bad? Unfortunately, it’s a sham. This figure is calculated using the grossly flawed EPA process that substantially underestimates the amount of fossil fuels required to power the electric car, as I showed in great depth in an earlier Forbes.com article. In short, the EPA methodology leaves out, among other things, the conversion efficiency in generating the electricity from fossil fuels in the first place [by assuming perfect conversion of the potential energy in the fuel to electricity, the EPA is actually breaking the 2nd law of thermodynamics].
In the Clinton administration, the Department of Energy (DOE) created a far superior well to wheels MPGe metric that honestly compares the typical fossil fuel use of an electric vs. gasoline car, using real-world power plant efficiencies and fuel mixes to figure out how much fuel is used to produce the electricity that goes into the electric car.
As I calculated in my earlier Forbes article, one needs to multiply the EPA MPGe by .365 to get a number that truly compares fossil fuel use of an electric car with a traditional gasoline engine car on an apples to apples basis. In the case of the Fisker Karma, we get a true MPGe of 19. This makes it worse than even the city rating of a Ford Explorer SUV.
Congrats to the Fisker Karma, which now joins corn ethanol in the ranks of heavily subsidized supposedly green technologies that are actually worse for the environment than current solutions.
Postscript: I will say, though, that the Fisker Karma does serve a social purpose — Hollywood celebrities and the ultra rich, who want to display their green credentials, no longer have to be stuck with a little econobox. They can now enjoy a little leg room and luxury.
Updates: Just to clarify, given some email I have gotten. Most other publications have focused on the 20 mpg the EPA gives the Karma on its backup gasoline engine (example), but my focus is on just how bad the car is even in all electric mode. The calculation in the above article only applies to the car running on electric, and the reduction in MPGe I discuss is from applying the more comprehensive DOE methodology for getting an MPG equivalent, not from some sort of averaging with gasoline mode. Again, see this article if you don’t understand the issue with the EPA methodology.
Press responses from Fisker Automotive highlight the problem here: electric vehicle makers want to pretend that the electricity to charge the car comes from magic sparkle ponies sprinkling pixie dust rather than burning fossil fuels. Take this quote, for example:
a Karma driver with a 40-mile commute who starts each day with a full battery charge will only need to visit the gas station about every 1,000 miles and would use just 9 gallons of gasoline per month.
This is true as far as it goes, but glosses over the fact that someone is still pouring fossil fuels into a tank somewhere to make that electricity. This seems more a car to hide the fact that fossil fuels are being burned than one designed to actually reduce fossil fuel use. Given the marketing pitch here that relies on the unseen vs. the seen, maybe we should rename it the Fisker Bastiat.
Update #2: I suppose it is too late for this plea, commenters who wish to hypothesize on methodological flaws are highly encouraged to read the original linked post explaining the math. For example, a number of folks have suggested I missed the fact that refining takes substantial energy as well. In fact, the DOE methodology used doesn’t just penalize electric cars for combustion inefficiencies in the power plant, it also penalizes gasoline cars for the energy in gasoline refining and transportation.
Update #3: Here is a special bonus, Ray Lane, Chairman of Fisker Automotive, did an interview in 2009 praising the Obama Administration as the first time he has seen government successfully making private investments. His one example: Solyndra!
Not bad? Unfortunately, it’s a sham. This figure is calculated using the grossly flawed EPA process that substantially underestimates the amount of fossil fuels required to power the electric car, as I showed in great depth in an earlier Forbes.com article. In short, the EPA methodology leaves out, among other things, the conversion efficiency in generating the electricity from fossil fuels in the first place [by assuming perfect conversion of the potential energy in the fuel to electricity, the EPA is actually breaking the 2nd law of thermodynamics].
In the Clinton administration, the Department of Energy (DOE) created a far superior well to wheels MPGe metric that honestly compares the typical fossil fuel use of an electric vs. gasoline car, using real-world power plant efficiencies and fuel mixes to figure out how much fuel is used to produce the electricity that goes into the electric car.
As I calculated in my earlier Forbes article, one needs to multiply the EPA MPGe by .365 to get a number that truly compares fossil fuel use of an electric car with a traditional gasoline engine car on an apples to apples basis. In the case of the Fisker Karma, we get a true MPGe of 19. This makes it worse than even the city rating of a Ford Explorer SUV.
Congrats to the Fisker Karma, which now joins corn ethanol in the ranks of heavily subsidized supposedly green technologies that are actually worse for the environment than current solutions.
Postscript: I will say, though, that the Fisker Karma does serve a social purpose — Hollywood celebrities and the ultra rich, who want to display their green credentials, no longer have to be stuck with a little econobox. They can now enjoy a little leg room and luxury.
Updates: Just to clarify, given some email I have gotten. Most other publications have focused on the 20 mpg the EPA gives the Karma on its backup gasoline engine (example), but my focus is on just how bad the car is even in all electric mode. The calculation in the above article only applies to the car running on electric, and the reduction in MPGe I discuss is from applying the more comprehensive DOE methodology for getting an MPG equivalent, not from some sort of averaging with gasoline mode. Again, see this article if you don’t understand the issue with the EPA methodology.
Press responses from Fisker Automotive highlight the problem here: electric vehicle makers want to pretend that the electricity to charge the car comes from magic sparkle ponies sprinkling pixie dust rather than burning fossil fuels. Take this quote, for example:
a Karma driver with a 40-mile commute who starts each day with a full battery charge will only need to visit the gas station about every 1,000 miles and would use just 9 gallons of gasoline per month.
This is true as far as it goes, but glosses over the fact that someone is still pouring fossil fuels into a tank somewhere to make that electricity. This seems more a car to hide the fact that fossil fuels are being burned than one designed to actually reduce fossil fuel use. Given the marketing pitch here that relies on the unseen vs. the seen, maybe we should rename it the Fisker Bastiat.
Update #2: I suppose it is too late for this plea, commenters who wish to hypothesize on methodological flaws are highly encouraged to read the original linked post explaining the math. For example, a number of folks have suggested I missed the fact that refining takes substantial energy as well. In fact, the DOE methodology used doesn’t just penalize electric cars for combustion inefficiencies in the power plant, it also penalizes gasoline cars for the energy in gasoline refining and transportation.
Update #3: Here is a special bonus, Ray Lane, Chairman of Fisker Automotive, did an interview in 2009 praising the Obama Administration as the first time he has seen government successfully making private investments. His one example: Solyndra!
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