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Toyota To Test Electric Plug-In Hybrid Prius Cars
San Francisco (AFP) Jul 27, 2007 Toyota announced this week a partnership with the University of California to road test two plug-in hybrid cars, a step toward getting the fuel-efficient vehicles to consumers. The study to be launched this fall will be the first time a major automaker puts the experimental cars on US roads. UC Berkeley will analyze the behavior of the drivers, and UC Irvine will study air quality and energy use. By plugging into 110-volt household current, the prototype Prius can cover seven miles (eleven kilometers) per charge in all-electric mode at up to 100 kilometers per hour (62 miles per hour). "This is exciting technology that Toyota has been working on for years," Denise Morrissey, Toyota spokeswoman, told AFP. "This will be a great experiment to see how the market will respond to the plug-in modification." The new Prius will weigh one hundred kilograms (220 pounds) more than its hybrid forbear to accommodate an additional nickel battery, but other specifications will remain the same. Toyota's choice of Berkeley as a testing ground for the daily usage of a modified Prius seems a good fit. The city just east of the San Francisco Bay, where the hybrids are as common as pick-up trucks in Texas, is known for it environmentalism and progressive politics and is one of the biggest Prius markets, Morrissey said. In May, Toyota sold the one-millionth Prius hybrid, half of those in the United States. Sales of the Prius for the first six months of 2007 have increased 69 percent over the same period of 2006, and the company estimates that hybrids worldwide have emitted 3.5 million tonnes less carbon dioxide than gasoline-fueled vehicles of the same class. Researchers at UC Berkeley's Institute of Transportation Studies will be tracking what they believe will be the behavior of early adopters of the new plug-in modified hybrid. "We will be looking at how people integrate this vehicle in their daily lives and monitoring behavioral response," said researcher Susan Shaheen. "I study how people adapt to new technology, how it affects their lifestyle." Shaheen will track the patterns in usage over two years during which the prototype Prius will be placed in a company fleet where employees will drive it for both business and personal use. The study hopes to collect data on trip distance, charging location, duration, time of day, and frequency of trips. A gas-electric hybrid vehicle demands no modification of behavior, other than learning how to drive to maximize fuel efficiency, said Shaheen. "But a plug-in hybrid is a step in a whole new direction," she said. "This is different from traditional refueling and will require some degree of adjustment." Many consumers seem eager for the change. Shaheen has already been flooded with calls and emails from Berkeley residents hoping to be a subject in the study. "But it is still not clear if consumers are going to be willing to plug in their cars, and adjust to the price premium of this new technology," said Morrissey. "Only time will tell."
Source: Agence France-Presse Related Links Car Technology at SpaceMart.com
Smart Traffic Sign Stops Collisions
New York NY (SPX) Jul 27, 2007Researchers from the Transportation Research Institute at the Technion-Israel Institute of Technology have developed a "smart" traffic sign that helps drivers make correct decisions and avoid collisions at traffic intersections that lack traffic signals. The device consists of two cameras mounted on a pole at the intersection - one facing the main road and the other the secondary road. A computer located below constantly processes data it receives from the cameras. When a collision risk is identified, flashing lights on two yield signs at the intersection are activated to alert approaching drivers. |
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