CNW Marketing Research Inc. spent two years collecting data on the energy That’s the conclusion of long-term study of “dust to dust” energy costs for cars and . Some organization called CNW Marketing Research Inc. has published an ” analysis” of the total energy consumption of various kinds of cars. 8 This is in part because 6 Dust to Dust Rep CNW Marketing Research Inc Web 19 from ENVS at University of Oregon.

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Gleick of the Pacific Institute.

We delete comments that violate our policywhich we encourage you to read. They point out something that’s more or less reasonable: Followup pieces hereherehereand here go even further than I do.

Aug 1, 9. CNWMR performed research into consumer motivations and decisions in automotive purchases, and reports a variety of data related to market forecasting. The company’s website lists only a Bandon, Oregon P. Log in or Sign up.

If it’s so much cheaper in materials and energy to produce an H2, why does the baseline H2 cost 2.

Aug 1, 8. Finally, I’m not sure that I buy the “Prius has a higher up-front cost” argument.

‘Dust to dust’ is dust: Prius uses less energy than Hummer

FredGarvinAug 1, The Wiki article on the Prius does have a section regarding the nickel production and states assumptions that were made were in error. Gleick’s paper pokes holes in the original study, pointing out its poor assumptions such as the usable life of a Hummer H1 35 years versus the life of a Prius 11 years. Do you already have an account? In CNW said that a Prius had an expected lifetime ofmiles and an H2 had an expected lifetime ofmiles.


Themile figure for the Prius is truly bizarre, as many people have documented their Priuses getting well over this number. The brakes and rotors are rarely used so they almost never need replacement. Prius uses less energy than Hummer A new paper refutes a study that claims the Toyota Prius uses more energy than a Hummer. The friendliest, high quality science and math community on the planet! As for the overview that you gave in your post, it’s horrendously incomplete not your fault.

Archived from the original XLS on Box as an address, and its “call centers, data center, and field offices are off limits” to clients and other visitors. Now the study has been well discredited in a paper titled ” Hummer versus Prius: While a Prius is one-third the weight of a Hummer and gets between four and six times better fuel economy, CNWMR argued the Hummer vehicles are built using less costly technology and are driven more over their lifetime.

In they said that both cars had an estimated lifetime ofNo, create an account now. Archived from the original on As far as this study goes a kilowatt-hour of electricity is equivalent to the energy in a similar volume of gasoline – they don’t care how the electricity is generated or gasoline is burned.

At least they’re comparing duat to apples this year, but the numbers miss the whole point of spending more money up front for more efficiency over the life of the vehicle.

DangerAug 1, I’d be really skeptical that the batteries last that long 8 years is a LONG time for those batteries to last. There are cab drivers with overmiles on their Priuses. The original study also based its conclusions on the lifetime miles of a Prius versus a Hummer H1, where it assumedmiles versusmiles, respectively. DangerJul 28, At very least the import taxes on a Prius ought to make it even more expensive than an H2.


I’m averaging 25, miles a year, and I doubt my car is headed to the crusher just three years from now.

‘Dust to dust’ is dust: Prius uses less energy than Hummer – CNET

Join Physics Forums Today! Aug 10, It operated separate research offices covering the automotive, computer, electronics, housing, and personal investment industries, as well as a research office covering political issues. The Washington Postvia highbeam. To start with, do they factor in the living conditions as in wage vs cost of living for the people who build the cars ddust provide duust fuel, lubrication, antifreeze, upholstery, ad nauseum to keep it cnd The only real difference is the size of the battery.

CNWMRknown primarily as an automotive marketing research company, was a private company founded in Be respectful, keep it civil and stay on topic. Andrew MasonAug 3, CNWMR calculates most expenses occur during construction and disposal, not during operation.

A new paper refutes a study that claims the Toyota Prius uses more energy than a Hummer.

Second, the numbers changed because the lifetime estimates changed. In the last couple of years, the claim that the Toyota Cust has more environmental impact than a Hummer garnered attention on forums and blogs around the Internet.