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Five automakers now being investigated by NHTSA for airbag woes

It appears that Toyota's renotification to owners of recalled vehicles from last year is just the tip of the iceberg for what could potentially be a much larger industry-wide recall. The National Highway Traffic Safety Administration is opening a preliminary evaluation investigation into roughly 1.1 million vehicles from Chrysler, Honda, Mazda, Nissan, Toyota and parts supplier Takata regarding faulty airbag inflators in several models.
NHTSA has received six reports - three directly, two from Takata and one from Toyota - of vehicles with ruptured airbag inflators from 2002-2006, which resulted in three injuries. So far, all six incidents have occurred in high humidity areas like Florida and Puerto Rico. According to Toyota's latest recall announcement, the inflators may have an improper propellant that could cause it to rupture in a crash and the bag to deploy abnormally.
This new investigation follows a previous recall from April 2013 of about 3.4 million vehicles worldwide for the airbag inflators from Takata. As Autoblog reported, Toyota jumpstarted the new situation when it found that the original list of serial numbers for the faulty part was incomplete and discovered more cars in need of replacement. Honda and Nissan told us that they were investigating whether further models would need called in again as well. Mazda told Autoblog: "Regarding the current Takata situation, we're working closely with NHTSA and investigating the situation, but nothing else to report at this time." Chrysler Group responded to us with the statement: "Chrysler Group engineers are conducting the appropriate analysis. The Company will cooperate fully with the National Highway Traffic Administration."

Refreshed 2013 Toyota Landcruiser Prado gets official [w/video]

We'd seen leaked images of the the refreshed 2013 Toyota Land Cruiser Prado, now Toyota has deemed it officially ready for the European masses it is aimed at. We can only hope the masses are ready for that grille, probably the most intense of the many changes made to the volcano-eating truck. The new face and its "powerfully projecting vertical bars" were designed to "accentuate the new Toyota's rugged appearance," as if the legendarily capable SUV wasn't rugged enough. Other changes include redesigned headlight clusters, stronger character lines along the sides, new taillights and license plate "garnish" in back, and a slew of new wheel choices. Both the three- and five-door are 20 millimeters longer, all of that in the front overhang, but the approach angle apparently hasn't changed.
The new organization of trims runs from Entry to Legend, Prestige and Executive. The interior has been reorganized with better seats in the second and third rows, a new upper center console, a redesigned panel for controlling on- and off-road driving functions, reworked Optitron meters with a 4.2-inch LCD screen, and new switchgear, fabrics and color schemes. Infotainment has been upgraded with Toyota Touch 2 and Toyota Touch 2 with Go. They mirror your smartphone if said phone happens to be either a Samsung Galaxy S3 or Galaxy Note 2.
On-road driving dynamics have been improve with suspension changes, and a Rear Cross Traffic Alert added to the suite of safety features for maneuvering the beast. When it comes to the Land Cruiser's real reason for being, the five Multi-terrain Select choices and five-step Crawl Control are more easily used with a Multi-terrain Monitor reworked for more clarity.

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.