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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.

2015 Toyota Camry targeting 'more emotional' design

There are many ways to describe the Toyota Camry: "comfortable," "economical," "affordable," "reliable" and "dull as a bucket of mayonnaise" would all be accurate. It's this last one that the Japanese brand is seeking to change. While we aren't expecting it to suddenly sprout a high-revving V8, a rear-drive layout or razor-sharp handling, a report from Bloomberg suggests we should at least expect a more evocative design from one of the best-selling cars in the country.
The next Camry update, due for 2015, should have a "more emotional, more impactful design," says Kevin Hunter, head of Toyota's US design studio. That's according to Bloomberg, who caught up with the styling boss at this week's Detroit Auto Show. "Camry's taken some hits on styling, but it's still selling well. But we need to create better design for Camry in the future."
Toyoda wants to see waku-doki in his company's designs - heart-racing qualities

Minivan market not what it used to be, but margins make up for it

Residual values for last year's minivans are higher than they were in 2000.
Much like the station wagon was the shuttle of Baby Boomer generation, the minivan has been the primary means of transport for Generations X and Y. Just as the boomers abandoned the Country Squire, though, those kids that were toted around in Grand Caravans and Windstars are adults, and they certainly don't want to be seen in the cars their parents drove.