The Hummer, of course:
When you pool together all the combined energy it takes to drive and build a Toyota Prius, the flagship car of energy fanatics, it takes almost 50 percent more energy than a Hummer - the Prius’s arch nemesis.
Through a study by CNW Marketing called “Dust to Dust,” the total combined energy is taken from all the electrical, fuel, transportation, materials (metal, plastic, etc) and hundreds of other factors over the expected lifetime of a vehicle. The Prius costs an average of $3.25 per mile driven over a lifetime of 100,000 miles - the expected lifespan of the Hybrid.
The Hummer, on the other hand, costs a more fiscal $1.95 per mile to put on the road over an expected lifetime of 300,000 miles. That means the Hummer will last three times longer than a Prius and use less combined energy doing it.
Read the whole thing.
When you factor in the need for battery replacement (expected to average every 2.5 to 3.5 years), the picture looks even worse for the gas/electric hybrids.
This sort of sloppy thinking seems to permeate the environmental movement. Technology that “feels good” (or green) gets lots of hype and support — and sales — but really isn’t doing the earth any favors. The current buzz about ethanol and hydrogen has exactly the same set of problems — when you figure in the whole lifecycle, the earth loses on these (although hydrogen coupled with nuclear power generation is a possible exception). Even photovoltaic systems aren’t as green as they appear to be. When you figure in the power required to manufacture the solar cells, the associated electronics, and the energy storage system (usually batteries that must be replaced every 3 to 5 years), photovoltaic systems don’t look so heroic.
The Goreacle has raised this to an art form…
In the old blog, Anonymous said:
ReplyDelete1The original article is an opinion piece for a small college newspaper. 1. Regarding new EPA mileage estimates, Demorro claims the Chevy Aveo’s mileage puts it within “spitting distance” of the Prius. The new EPA combined mileage put the Chevy Aveo at 26 mpg, the Toyota Prius at 46 mpg. So I guess 20 miles more per gallon is “spitting distance."2. The “Dust-to-dust” study is from a marketing firm, not a science journal. It arrives at an artificially high cost for the Prius by assigning it an arbitrary lifespan of 100k miles, and a Hummer 300k miles. There’s Prius being used as cabs that have 200k on them now: And, insofar as a car lasting, what car do you expect to repair less? A Toyota Prius or a GM Hummer? You can check Consumer Reports for the answer to that one. A good analysis of the flaws in dust-to-dust is available 3. The Sudbury info is seriously outdated, and the comment about moon buggies (like, when did Nasa test moon buggies — early 1970’s) ought to have given the author a clue. Sudbury was polluted by a century of mining (1870 on). In fact, some of Sudbury’s nickel went into making the Statue of Liberty. Currently, the mine is owned by INCO (not Toyota), and produces 100,000 tons of nickel a year, of which Toyota buys 1% (1000 tons). Blaming Toyota for the pollution at Sudbury is ludicrous. Nickel, by the way, is primarily used to make stainless steel. The Mail on Sunday newspaper, which ran the story the college article is a thin re-write of (visible here ), used a stock photo you can buy online taken in 1994 to illustrate the pollution (visible here ). There were, of course, no Prius in existence or being manufactured in 1994.Furthermore, Sudbury is no longer this polluted, as INCO and the city have planted over 8 million trees there since 1979. The best history online of the Sudbury devastation/reforestation comes from GM Canada — that’s GM, maker of the Hummer, ahem, writing about how Sudbury was polluted and how it has come back. Really, one should blame Chicago more than Toyota, as Sudbury’s trees were all cut down in 1871 to help rebuild Chicago after the fire. GM provides telling photos of some of the reclamation from 1979 to present.