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Toyota ready to get dirty with new TRD Pro Series

To the general public, Toyota is often thought of as a maker of bland but dependable cars, crossovers and SUVs that get their owners and a whole herd of whatever from Point A to Point B. Generally speaking, they're fuel efficient, comfortable and affordable. What the general public may not realize, however, is that Toyota enjoys a very strong history of going off road, too. The legendary Land Cruiser arguably established the trend, helping explore remote parts of the globe, while various guerilla warfare outfits and world military branches have unwittingly joined up with the boys from Top Gear to help cement the Hilux pickup's reputation for invincible performance. Now, though, Toyota is launching a new line of trucks and SUVs in the US that are even more explicitly targeted at hitting the trails. Meet the TRD Pro Series.
Featuring the 4Runner, Tacoma and Tundra, each Pro Series vehicle features TRD-tuned springs with Bilstein shocks, a TRD front skid plate, a TRD shifter, black wheels, branded floor mats and a "TOYOTA" grille badge, the latter of which harkens back to classic models. TRD Pro Series vehicles will be offered in the new Inferno paint color shown above, as well as Black and Super White.
The Tundra benefits from softer TRD springs that also provide a two-inch lift and a better ride in the rough, while the truck itself rides on 18-inch wheels with Michelin ORP tires. Each truck gains an extra two inches of wheel travel in front and 1.25 inches in back, while a TRD dual exhaust should generate a nicer sound than the trucks's standard V8 engine. Finally, a unique interior with red contrast stitching freshen up the cabin. We wouldn't go so far as to call this a Ford F-150 SVT Raptor fighter - far from it, in fact - but it's a bit more off-road oriented than your average pickup.

NHTSA investigating 561k Toyota Prius hybrids for possible steering shaft defect

The Detroit News is reporting that the National Highway Traffic Safety Administration will investigate some 561,000 Toyota Prius models for potentially defective steering shafts. The affected hybrid models are from the 2004-2009 model years. The story indicates that NHTSA is weighing whether or not to grant a defect petition, which claims that Toyota incorrectly assembled the hatchback's steering linkage.
As of this writing, there is no recall. However, a recall based on the Prius steering shaft would be the third related to steering issues for the model since 2006. Seven years ago, Toyota recalled 170K Prius models for potential cracking of the intermediate shafts, and in November of 2012, the automaker recalled 670K units to replace the steering shaft extension assembly.
We'll be monitoring NHTSA's signals to see if this investigation turns into a full-fledged recall. For now, stay tuned.

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.