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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.

2018 Mitsubishi Eclipse Cross vs. small crossover SUVs: How they compare on paper

In the midst of the crossover SUV boom, each traditional size segment has become saturated. As a result, automakers are beginning to fill the gaps that separate classes, giving us some interesting in-between options. The all-new 2018 Mitsubishi Eclipse Cross jumps right into one of those in-between categories bookended by compact and subcompact crossovers. It's a niche that offers more space and feature content than the smallest vehicles, with an extra dose of style and a lower price than bigger ones. Because of the Eclipse Cross' in-between nature, though, there's not really an obvious direct competitor. As such, we've selected a diverse group of small crossovers that are similar to the Eclipse Cross in some but not all key areas: size, price, feature content, style and likely buyers. The 2018 Subaru Crosstrek, 2018 Toyota C-HR and 2018 Nissan Rogue Sport each have elements in common, but are different enough to provide useful points of comparison. A chart of specifications and key standard features is shown below, followed by more in-depth analysis. And if you wish to compare these crossovers with others not listed, be sure to check out our comparison tools. Engines and Drivetrains One of the Eclipse Cross' biggest advantages in this segment will be its engine. Subcompact crossovers, including the other three we've chosen, are sluggish to say the least. This new Mitsubishi should be different as it packs a turbocharged 1.5-liter four-cylinder that belts out a whopping 184 pound-feet of torque. We say whopping, because the C-HR, Crosstrek and Rogue Sport all have between 139 and 147 pound-feet. Horsepower is similarly unimpressive at just 152 horsepower - the same as the Crosstrek - but that torque should make passing and on-ramp runs much more satisfying. The appeal of crossovers for many people is the availability of all-wheel-drive, and this is where the Subaru gets an advantage. Like with all Subarus that aren't a BRZ, the Crosstrek has standard all-wheel drive. The Mitsubishi comes close, making all-wheel drive standard on every trim level except the very base ES trim level. On the Rogue Sport, all-wheel drive is an option on all trim levels. Depending on where you live, though, being able to have front drive on a high-trim crossover could be a plus because it will save some money and improve fuel economy. The C-HR loses this battle as it's only available with front-wheel drive.

VW Q3 Financial Woes, 2015 Tokyo Motor Show | Autoblog Minute

Consumer Reports pulls its Tesla recommendation, the U.S. Copyright Office offers a ruling affecting car owners, VW gets hit hard with third quarter losses, and lots of exciting news from Tokyo. Autoblog's Senior editor Greg Migliore reports on this Autoblog Minute Weekly Recap. Tokyo Motor Show Mazda Subaru Suzuki Tesla Toyota Concept Cars Autoblog Minute Videos Original Video Tokyo 2015