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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.

Massive Airbag Recall Affects Seven Automakers

The recall of faulty airbag inflators supplied by Takata has exploded today to grow to seven automakers. In most cases, only models in certain high-humidity regions were affected because the National Highway Traffic Safety Administration found in its investigation that moisture played a role in determining whether there would be a problem. However, some companies opted for national campaigns. The exact number of affected models for these campaigns isn't yet known at this time. BMW is recalling an undisclosed number of 325i, 325Xi, 330i and 330Xi models from the 2001 through 2005 model years and the 2001-2006 model year versions of the 325Ci and 330Ci for the driver side and passenger side inflators. Only vehicles currently registered in Florida, Puerto Rico, Hawaii and the US Virgin Islands are covered under this recall. Neither Chrysler's filing with NHTSA nor its press release list the specific models affected, but a company spokesperson told Autoblog that at this time it only covers the driver and passenger side inflators for the 2006 Dodge Charger in Florida, Puerto Rico, Hawaii and the US Virgin Islands In most cases, only models in certain high-humidity regions were affected because the NHTSA found that moisture played a roll in determining if there would be a problem. Ford is recalling an estimated 58,669 cars that include the 2005-2006 model years of the Ford GT for the driver and passenger inflators, the 2007-2007 model years of the Mustang for the driver side and 2004 Ranger for the passenger side. It covers vehicles originally sold or currently registered in, wait for it... Florida, Puerto Rico, Hawaii and the US Virgin Islands. Honda is issuing three separate recalls regarding the problem. First, the company is recalling the 2002-2003 model years Civic, CR-V and Odyssey and the 2003 model year of the Accord, Element, Pilot and Acura MDX to replace the passenger's side inflator. This covers all models nationwide. Second, Honda is repairing the passenger's side airbag inflator in the 2003-2005 Accord, Civic, CR-V, Element, Pilot, the 2003-2004 model year versions of the Odyssey, the 2003-2005 model year Acura MDX and 2005 Acura RL. However, only for vehicles located in Alabama, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico and the US Virgin Islands. Owners will be notified in July. Finally, Honda is separately replacing some models' driver's side inflators.

Toyota creates GT86 concept inspired by Initial D

Everyone has a favorite movie or TV car of their youths. The love of these cars can ignite a lifelong passion for automobiles. Some lust for the sharp, stainless steel DeLorean DMC-12 from Back to the Future or the decked-out Aston Martin DB5 from Goldfinger. For anime and manga fans, it's the panda-colored Toyota AE86 Sprinter Trueno from the Initial D manga and anime series. Toyota, recognizing the significance of the that car, meticulously reimagined it for a modern audience, basing it on the UK market GT86. The GT86, sold in the United States as the Scion FR-S and soon to be rebadged as the Toyota 86, is considered by some to be the spiritual successor to the rear-wheel-drive AE86 Corolla from the 1980s. Both are reasonably affordable, lightweight cars with a propensity for oversteer. The original AE86 from Initial D was a highly modified but realistic drift machine. The amazing feats of that tofu delivery car as it raced everything from Mazda RX-7s to a Honda S2000 turned the little Toyota into a cult icon. That AE86 itself was inspired by the personal vehicle of Japanese racing driver Keiichi Tsuchiya. Tsuchiya served as both an inspiration and supervisor for Initial D. Many of the modifications on the Initial D car, like the TRD carbon-fiber hood and Fujitsubo exhaust, car were exactly the same as Tsuchiya's real-life vehicle. Toyota is no stranger to crafting modern incarnations of classic vehicles. Last year the company created a Back to the Future Tacoma. Toyota's Initial D concept car uses the same parts wherever possible. Like the original, it has a carbon-fiber hood, Fujitsubo exhaust, and black Watanabe F8 wheels. The suspension, lights, and body have all been modified. Even small details like the engine cover and door handles were modified to recall the fictional car. The end result is a fantastic creation that pays great homage to the original. Toyota went as far as hiring UK manga artist Sonia Leong to design a series of backdrops that place the car in the same action shots as the original series. While this one-off vehicle is just a concept, most of the parts are available to purchase for fans who may be inspired to create their own version. Toyota's concept will be on display at various motoring shows across the UK this summer. Related video: Featured Gallery Toyota Initial D GT86 TV/Movies Scion Toyota Coupe toyota gt86 toyota 86