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Researchers are competing to meet a challenge from the U.S. Department of Energy: Improve fuel economy 10 percent by the agency of converting wasted exhaust heat into energy that can lend aid power the vehicle.

General Motors Corp. is close to reaching the goal, for example is a BMW AG supplier working with Ohio State University. Their research into thermoelectrics — the science of using temperature differences to create electricity — couldn’t come at a more suitable time as high gas prices accelerate efforts to make vehicles as efficient as possible.

GM researcher Jihui Yang said a metal-plated device that surrounds an exhaust pipe could enlarge fuel management in a Chevrolet Suburban by from one place to another 5 percent, a 1-mile-per-gallon improvement that would have being even greater in a smaller vehicle.

Reaching the mete of a 10 percent improvement would save more than 100 the multitude gallons of fuel per year in GM vehicles in the U.S. sole.

“The take-home message in the present life is: It’s a big dole out,” Yang said.

The DOE, what one. is partially funding the auto industry research, helped be developed a thermoelectric generator for a heavy duty diesel truck and tested it for the equivalent of 550,000 miles about 12 years ago.

John Fairbanks, the department’s thermoelectrics technology development manager, said the success of that generator justified the competitive search in 2004 for a device that could augment or replace a vehicle’s alternator. Three teams were selected to participate in the program, by GM and thermoelectrics manufacturer BSST separately working on cars and a team from Michigan State University focusing on heavy-duty trucks.

Fairbanks said thermoelectric generators should be in succession the verge of produce in relative to three years.

“It’s probably the biggest impact in the shortest time that I can think of,” he said.

The technology is similar to the sort of NASA uses to endowment deep space probes, a perk being it doesn’t present the appearance to have being susceptible to wear. Probes have used a thermoelectric setup for about 30 years.

Thermoelectric devices can work in two ways — using electricity to provide heating or cooling, or using temperature differences to create electricity.

The second method is Yang’s focus, and for good rational faculty.

In an internal combustion machine, only on the point a quarter of the total energy from gasoline is used to in fact turn the wheels, during the time that 40 percent is lost in exhaust heat and 30 percent is distracted through cooling the instrument. That means near to 70 percent of the available energy is wasted, according to GM.

“If I can use some of that heat energy and convert it to electricity, you can improve the overall efficiency,” Yang said.

A Suburban produces 15 kilowatts of exhaust heat energy during city driving, which is enough to power three or four air conditioners simultaneously.

But it’s not in posse to harness all the exhaust ardor a instrument produces, so when the Suburban is cruising between 50 and 60 mph, the generator can produce about 800 watts of power, Yang aforesaid. That electricity could go to accessories such as a GPS project, DVD player, radio and possibly the vehicle’s water pumps.

Yang’s prototype device is to be pure in a Suburban nearest year. A uniform prototype created by dint of. Ohio State scientists and BSST should be tested in a BMW in 2009.

The thermoelectric generator works when one side of its metallic material is heated, and excited electrons move to the devoid of warmth side. The movement creates a current, that electrodes collect and convert to electricity.

While it’s not clear how much the device would add to the compensation of a vehicle, the whole point of the research is to make it cost-effective, Yang said.

“There are several other steps that are required to commercialize the material, but we’re cautiously optimistic that these steps can be carried through successfully,” said Lon Bell, president of BSST, a co-operating of Northville-based thermoelectrics supplier Amerigon Inc.

BSST also is in operation with Ford Motor Co. to develop climate control systems based on thermoelectrics.

Ford wants a system that would target a person’s extremities whenever it’s cold or the back of the neck in summer heat, especially than blow out a great number of air to change the degree of heat of the thorough carriage.

“We think we can make people feel cooler more quickly, feel comfortable more quickly, and that will interpret into smaller power in the central AC system,” said Clay Maranville, a Ford older research scientist.

Honda Motor Co. also has supported seminary of learning research into thermoelectrics, but a prolocutor said the automaker doesn’t have its own study program.

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Researchers have demonstrated for the first time they were accomplished to cloak three-dimensional objects using artificially engineered materials that redirect light around the objects. Previously, they only have been able to cloak very thin two-dimensional objects.

The findings, by scientists at the University of California, Berkeley, led through Xiang Zhang, are to be released later this week in the journals Nature and Science.

The new work moves scientists a remove closer to hiding people and objects from visible light, which could have spread applications, including military ones.

People can see objects because they scatter the light that strikes them, reflecting some of it outer part to the perforation. Cloaking uses materials, known at the same regulate that metamaterials, to deflect radar, light or other waves in a circle an aim, like wet flowing around a smooth rock in a stream.

Metamaterials are mixtures of metal and circuit board materials such as ceramic, Teflon or fiber compounded. They are designed to crook visible light in a way that ordinary materials don’t. Scientists are trying to conversion to an act them to bend light around objects so they don’t create reflections or shadows.

It differs from stealth technology, which does not make an aircraft invisible if it be not that reduces the cross-section available to radar, make it oppressive to track.

The research was funded in part by the U.S. Army Research Office and the National Science Foundation’s Nano-Scale Science and Engineering Center.

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Pet thefts range from puppies being stuffed into purses at stores to purebreds being snatched from backyards and cars in parking lots. The AKC offers the following advice to prevent your “most expedient. see the various meanings of good friend” from substance a target of a crime:

AT HOME

ON THE ROAD

RECOVERY

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This is the first in an occasional series of stories truth-squadding campaign ads, videos and candidate statements.

OLYMPIA

Is it good?

It everything depends on how the claim is framed. Gregoire has suggested she thinks an income tax is a good idea and that one eventually will become reality in Washington. But she also has declared repeatedly that now is not the time and she has no intention of pushing on the side of one.

Republican Dino Rossi and the specify GOP recently put out fliers that blast Gregoire for sharply increasing state spending because that she took office in 2005.

Rossi’s flier, which is being handed out door to door and at campaign events, also states simply that Gregoire “supports commonwealth income tax.” The Republican Party flier being mailed to voters goes further, statement, “Now Gregoire supports enacting a situation income tax to fund her out-of-control spending habits.”

While the Rossi flier could be construed as truth, the GOP’s wording is a draw out.

Last month, when a political action committee funded largely by the Building Industry Association of Washington posted a video on its Web site claiming Gregoire supports an income tax, her campaign sent out a news quit calling it a “big lie.”

“Gregoire’s position has been clear, she is opposed to a state income tax,” the release related.

But Gregoire hasn’t always put it that bluntly.

The fliers and video are based on remarks Gregoire made last year in an interview by the editorial board of The Spokesman-Review newspaper in Spokane.

When asked in that meeting about an income task, Gregoire said:

“We don’t have an electorate out there that determine support it right now. Clearly, when I case across the state, the support’s not there. So much of it is, how are we going to school them to the regressive tax system that we have in this pass and how we need to be obliged some sort of conversion over to a partial income tax. … So now’s not the time….

“But it’s not as if it’s not a good model. It’s not as if it’s not one that we shouldn’t pursue. It’s one that we just have to keep holding hearings and put to hire epoch pass and eventually I assume we’re going to get in that place.”

Washington, one of seven states that does not get an revenue tax, gets most of its income from three sources: retail sales tax, dealing and calling tax, and property tax.

Passing a declare income tax would require a two-thirds propitious vote of both the state House and Senate for a constitutional amendment, as well during the time that approval from voters.

But one revenue tax remains politically forbid to be used, and past efforts to move in that direction have fallen flat.

In 2004, King County Executive Ron Sims staked his bid for governor on a broad tax-reform proposal that included a call for a specify income make demands upon.

Gregoire, Sims’ opponent in that year’s Democratic primordial, called the system foolish and unrealistic.

“I’m not going to discuss any income tax today at the time that the citizens of the specify of Washington are afraid allowing that they’re going to esteem a job tomorrow, health care tomorrow or cultivation for their family,” Gregoire said at the particular period.

Gregoire trounced Sims by more than 2 to 1.

Sims’ plan relied heavily steady the findings of a 2002 blue-ribbon commission headed by Bill Gates Sr. As with anterior studies, the array concluded that Washington’s tax system was unfair to the poor and discouraging for business.

While Gregoire and lawmakers have taken up some of the commission’s ideas, such as creating a rainy-day savings registry of debt and credit, they have mostly ignored its call for an income tax.

“It isn’t as if this is a unused idea and it hasn’t been pursued historically,” Gregoire said in the interview with The Spokesman-Review. “Its time will come, but its time has yet to come. And it’s one of those issues that we have to continue to constantly have a dialogue about.”

The history of Detroit is one of booms and busts. It’s in a bust now but creative, forward thinking could result in the next boom

by Ed Wallace

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It was the most obvious act of asking I could have asked General Motors (GM) CEO Rick Wagoner. The setting was a semiprivate interview with him in a Dallas hotel onward July 10. According to oil insiders and respected oil analysts, such as Charley Maxwell of Weeden & Co., the nature is likely to hit a brick wall in terms of oil supply and necessitate by dint of. 2015. Therefore, I asked, could Detroit survive if the worst happens and oil sells by respect to $250 a barrel with gasoline betwixt $8 and $10 a four quarts, seven years out?

Mentioning offhandedly that he speaks with Maxwell on a semiregular basis, Wagoner grabbed a lucubration of document and drew a crude graph, thoughtfully suggesting that if such a gas price increase were spread gone out evenly over that period, instead of making a sudden jump, the public would have time to adjust to the higher energy costs. Consequently, Detroit would likely have enough time to make production adjustments.

I didn’t get the heart to matter out the flaw in Rick’s discussion: It has taken gas prices 10 years to go from $1 a gallon to $4—and verily that slowly, increasing the worth of gas has wrecked Detroit’s commerce model.

When I asked him whether he still planned on staying at GM to the time when age 65, thereby surpassing Alfred Sloan’s reign as president and then chairman of GM, Wagoner declined to say. (On Aug. 6, the company’s victuals of directors publicly reaffirmed their faith in his leadership.) But the first time I interviewed him, years ago when he first became GM’s president, he understood his potential: He had both the time and the ability to imprint GM’s future in this century just as surely like Sloan left his brand on that company 88 years ago.

Speaking as someone who has been around the automobile industry in spite of the past 35 years, I see Rick Wagoner for the reason that the actually being deal. Unlike the men who ran General Motors for the 45 years before he got in that place, he is a man who understands his weaknesses—which turn up to resemble GM’s problems closely.

Wagoner knew from the beginning that most GM cars had long lost their cachet through the the world and that this had happened over decades, as the accountants gained sum control of the purse strings. The brilliant prima donnas who had once defined GM styling had long ago been banished or marginalized; at GM, the in the direction of a line logic of those who had a way with numbers was allowed to annul the power of invention gut instincts of those whose fervor was great automotive design.

Rick Wagoner could solve that problem: He hired industry veteran Bob Lutz as his new product expanding czar.

Bob Lutz told me earlier this year that GM is pacify suffering the negative effects of that old system of accountability to the accountants. The case in point was the new Chevrolet Malibu. Lutz felt the company was going to hit a home run with it, but the person in control of setting production schedules and ordering supply contracts crunched the numbers and set the Malibu’s maximum potential volume at 115,000 vehicles a year. Obviously, that was any accountant’s be wide of the mark of huge proportions. Maybe the old apothegm that "verse don’t lie" doesn’t always apply when it comes to cars. (Lutz also confirmed that the bean counter responsible during this decision is no longer with the partnership.)

When I state that if I owned a car social meeting I would salary GM’s top executives to force it, people get a blank look on their face since their jaws drop, and that’s frustrating when you know the facts. Similarly, I’m tired of reading that GM constantly misses the mark on persons demand and should have seen the current problems to come, because excepting that half of that statement is true. GM has built exactly what the public demanded for 15 years—sport-utility vehicles and trucks that were parked in the best driveways in America—and did that as well and as profitably as anyone.