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Toyota Matrix discontinued for 2014

Between its slow sales and the upcoming redesign of the closely related Corolla sedan, things haven't been looking good for the Toyota Matrix (for some time now). After 10 years on the market, Toyota has officially announced that it will drop the Matrix from its US lineup following the 2013 model year.
The announcement was made as a part of a press release breaking down what's new for Toyota in 2014, but for now, it doesn't look like any Toyota-branded product will fill the Matrix's spot. The Matrix and its sister car, the defunct Pontiac Vibe, were the final vehicles developed under the joint venture between Toyota and General Motors, an arrangement launched back to 1984.

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.

Toyota recalling 615k Sienna models over rollaway risk

Toyota has announced a recall affecting approximately 615,000 Sienna minivans due to a possible rollaway risk. All of the vehicles in question are from the 2004, 2005, 2007, 2008 and 2009 model years.
In an official statement, the automaker states that the problem stems from the vehicle's shift lever assembly. "Because of the potential for damage to the shift lock solenoid installed in involved vehicles, there is a possibility that the shift lever could be moved out of the 'P' position without the driver depressing the brake pedal," Toyota said. Because of this fault, the affected Sienna models could roll away without warning, increasing the risk for a crash.
Owners will be notified via first class mail, and the affected Sienna models can be taken to Toyota dealerships to have the shift lock solenoid replaced with a new one. Have a look below for the automaker's official release.