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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.

New version of Toyota FT-1 Concept gets racy for Gran Turismo 6

Gran Turismo 6 has been the preferred marketing springboard for quite a few brands and concept cars since its debut last winter. Specifically the GT Vision concept idea - allowing manufacturers a built-in place to offer up new, original, drivable content - has enticed the likes of Mercedes, Nissan, Volkswagen, Toyota and more to dream big on the digital stage before pulling the sheets back on real concept cars.
In fact, Toyota teamed its live reveal of the FT-1 Concept at the Detroit Auto Show with an in-game launch of the car, just this past January. Looking for a second bite at the GT6 apple, Toyota has just released a teaser video for a new, FT-1 Vision GT version of the same concept.
The company isn't giving us much to go on save for the 30-second video, saying only that the concept was penned by Toyota's Calty Design Research team in California, and that it will "soon be available for download." By the looks of it, the new FT-1 seems to be more of a racecar than the original, without obvious changes to the basic form. No word on whether or not there's a physical concept car in the offing at a yet-to-be-named auto show. Stay tuned.

Final decision on Toyota/BMW sports car due by year end

BMW and Toyota signed a memorandum of understanding to share technology and build a sports car way back in 2012, and months later, they made that partnership official. This oft-rumored model from two auto industry titans still hasn't hit the road, and the time has come to make a final decision about its future. Thankfully, the model's fate is just a few months from being known. "By the end of the year we will approve whether or not we will make it," a Toyota spokesperson said about the sports car project, according to Automotive News Europe. "The whole study before that, on what kind of platform, on what kind of architecture, that's been progressing quite well. We haven't yet decided to give the green light to the project, but it's coming up." The collaboration is supposed to result in jointly developed fuel-cell tech, composites, and research into lithium-air batteries. Little is officially known about what Toyota and BMW are planning for the sports car project, but there are plenty of rumors about what's in store. Both automakers are supposed to get their own version of the vehicle. Some reports say the Japanese model will be the revival of the Supra, and the Bimmer-badged one might end up being a replacement for the Z4. The potential powertrains have been suggested as a German-sourced, turbocharged inline six with rear-wheel drive and a super-capacitor-powered plug-in hybrid with all-wheel drive.