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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.

Nissan, Toyota offering payment deferments to people affected by government shutdown

Two weeks into the budget-related government shutdown and it sounds like some progress is finally being made, but that doesn't really help furloughed government employees pay their bills. To help out a little, Nissan and Toyota are joining Hyundai with offering payment deferments to current owners and lessees.
In a release, a Nissan spokesperson said the company is "sympathetic to any of our customers who find themselves in difficult financial circumstances - many times outside of their control."
Both Japanese automakers are allowing payment extensions of up to 90 days without penalties or fees. Unlike the Hyundai Assurance Plan, though, it doesn't seem like the Nissan or Toyota assistance will be extended to those who are still in the buying process. Scroll down for press releases from both companies about their respective payment deferment programs.

2015 Toyota Sienna SE keeps the swagger, adds thoughtful updates [w/videos]

Toyota found huge success with its "Swagger Wagon" rap video for the 2011 Sienna SE. It showed that a minivan could actually sort of maybe be fun and didn't have to be a lame vehicle for people who long ago lost their sense of humor. Now that there is a slight refresh for the 2015 model, the company is trying to capture that effervescent image again with a bunch of videos aimed at families.
For the latest launch, Toyota is partnering with some family-friendly online video stars and having them show off the Sienna's features. It's releasing YouTube videos from the creators of Action Movie Kid and Convos with My 2-Year-Old and a Vine from Eh Bee Family, and they all hope to show that it's cool to be a family with a minivan.
In terms of actual changes, though, the update is pretty light aesthetically, but the new tech inside seems aimed directly at mom and dad. However, unless you've got a sharp eye, spotting the exterior refresh might be tough. Toyota is tweaking the front end slightly by adding a dark mesh grille and trim. The headlights are also slightly reshaped to incorporate a new strip of available LED running lights.