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Toyota Recalls 1.9 Million Prius Hybrids

TOKYO (AP) - Toyota is recalling 1.9 million hybrid Prius cars globally for a software glitch that could cause the vehicle to stall. Toyota Motor Corp. said Wednesday that 997,000 Prius cars in Japan, some 713,000 in North America, another 130,000 in Europe and the rest in other regions are being recalled for a problem in the software to control the hybrid system. No accidents or injuries have been reported related to the problem. The software could cause transistors to become damaged, causing warnings lights to go off, driving power to be reduced or the car to stop. The recalled vehicles were manufactured between March 2009 and February 2014. The Japanese automaker suffered massive recalls starting in 2009, affecting more than 14 million vehicles for problems including floor mats, gas pedals and brakes. Affected vehicles include: 2010-2014 Prius vehicles, 2012 Toyota RAV4, 2012-2013 Toyota Tacoma and 2012-2013 Lexus RX 350 vehicles sold in the United States. Related Gallery AOL Autos Test Drive: 2014 Toyota Highlander Recalls Toyota

Toyota restructuring US operations, possibly moving to Texas

According to multiple sources familiar with the matter, Toyota is poised to announce Monday that it is restructuring its US operations, which may include plans to relocate some of its operations to Texas. Toyota Motor Sales has been located in California since 1957, and is responsible for North American sales, marketing, and distribution for Toyota, Lexus and Scion. According to Toyota literature, its Torrance operations presently employs 6,156 workers and represents a $2.3-billion investment.
Workers in Toyota's Torrance offices were abuzz about the possible relocation to Texas. One young offspring of a Toyota employee even posted to Twitter that her parents warned about the upcoming move, and she said she's refusing to go.
Rumors at one point had Toyota settling in Richardson, TX, just outside Plano. But Autoblog talked to Richardson Mayor Laura Maczka, who said she would be thrilled if that were true, but has not heard anything on the subject. Autoblog also emailed with Bill Sutherland, a city councilman in Torrance, CA, who said, "To date the only info I have is what I have read in the paper expecting a press release Monday."

Toyota finds 10% MPG improvement in hybrid PCU

Keeping up its from-all-angles approach to efficiency, Toyota has found yet another way to eke out up to ten percent more precious MPGs in its hybrid vehicles, this time electronically. The automaker has announced the development of new silicon carbide (SiC) power semiconductors for use in power control units, which it will begin testing on Japanese roads within the next year. The PCU using the silicon carbide compound offers less electrical resistance, which improves efficiency when passing current between the battery and electric motor. It also loses less power after shutting off, and can operate at a higher frequency. The net power loss of the new PCU is just one-tenth of the current silicone-only version (the latter accounting for 20 percent of total electrical power loss in today's hybrids). The result, so far, is a claimed five-percent improvement in fuel economy in test vehicles, with the potential of ten percent by the time the new SiC power semiconductor comes to market. Additionally, the carbide wafers allow for smaller a power module, coil and capacitor, thus allowing the entire PCU to be 80 percent smaller (see the side-by-side comparison in the accompanying photo, which you can click to enlarge). We've got a while to wait before we start to see the carbide technology to start making a real-world impact. Toyota aims to begin using the SiC units in 2020. By then, with improvements in the company's other key efficiency factors - engine technology and aerodynamics - cars like the Prius will likely see significant gains in fuel economy. Read more in the press release below. Toyota Develops 'Diamond-like' Computer Chips to Boost Hybrid Mileage May 20, 2014 Toyota City, Japan – Toyota is using one of the hardest materials in nature after diamonds to develop a semiconductor chip it hopes will improve the fuel efficiency of its hybrids, such as the Prius, by as much at 10 percent. The company and its partners announced today that they have developed a silicon carbide (SiC) power semiconductor for use in automotive power control units. Toyota plans to begin test-driving vehicles with the technology on public roads in Japan within a year. The chips, made from carbide - one of the hardest materials in nature, theoretically have superior characteristics such as one-tenth the electrical power loss and 10 times the drive frequency. Toyota said the chips would also allow it to reduce the size of current automotive power control units by 80 percent.