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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.

Toyota investing $1 billion in Mexico plant

Toyota has announced plans to build a new factory in Mexico. The site, to be located in the state of Guanajuato, is set to open in 2019 following an investment of about $1 billion. The plant will be the first to make use of the Toyota New Global Architecture, and will (at least initially) focus on production of the Corolla. The compact sedan will continue being built in the United States at the Blue Springs, MS, site, consolidating Corolla production in the south. However Toyota's site in Ontario, Canada, will shift to "mid-sized vehicles of higher value," alongside the plants in Kentucky and Indiana, the automaker said. The Guanajuato site will be Toyota's second Mexican plant, joining the Tijuana plant that assembles the Tacoma – soon to ramp up to 89,000 units per year. Once the new Guanajuato plant comes on full steam, it is slated to produce around 200,000 units per year. It'll be the first site Toyota will open worldwide since it began focusing on utilizing the production capacity it already has. With 90 percent of its production capacity now in use, the Japanese auto giant is also planning to broaden its joint venture with Guangzhou in China as well. Toyota Invests in Competitive Plants - Emphasis on Sustainable Growth Strategy - New plant in Mexico and expansion of its GTMC joint venture in China Toyota City, Japan, April 15, 2015 - Toyota announced today that it will build a new plant in Mexico and expand its joint venture, Guangzhou Toyota Motor Co., Ltd. (GTMC), in China. These investments are grounded on its plans to construct production lines that are more competitive, with greatly reduced initial investment, improved efficiency, flexibility, environmental performance and safety. These "simple and slim" production lines can be easily lengthened or shortened depending on demand. Over-head conveyance devices are eliminated, compact equipment is installed on top of the plant floors, and paint-booths are smaller. The new plant in Mexico and the expansion in China will be designed to accelerate innovation by implementing these new technologies into real production lines. With today's announcement, Akio Toyoda, President of Toyota Motor Corporation said "This investment represents our long-held principles of continuous improvement and challenging ourselves to always do better. An increase in production does not mean an undisciplined pursuit of more. Toyota's expansion must be driven by providing ever-better-cars and our talented people.

2018 Ford Expedition vs other big SUVs: How it compares on paper

With our Alex Kierstein rightly impressed in his first-drive review of the new 2018 Ford Expedition, we decided to dig a little deeper into the numbers, and we came up with the spreadsheet below to highlight how the new 2018 Expedition compares on paper to its main full-size SUV competitors: the 2018 Chevy Tahoe and Suburban (and therefore the 2018 GMC Yukon), 2018 Toyota Sequoia and 2018 Nissan Armada. We also threw in the new, even bigger 2018 Chevrolet Traverse since, as you'll see, its massive dimensions should put it on the radar for anyone who needs loads of passenger and cargo space but doesn't care as much about towing. A few notes about the chart above. First, the 6.2-liter V8 that's included with the new-for-2018 Tahoe RST trim level is the standard engine on the GMC Yukon Denali. You can apply most of the Tahoe's numbers to the entire Yukon and Yukon XL lineup. Second, though we highlighted categories where the Traverse led, we also highlighted the runner-up full-size SUV, since this was ultimately about that segment. Traverse numbers are broadly applicable to the new Buick Enclave. Related Video: Chevrolet Ford GMC Nissan Toyota SUV Comparison consumer ford expedition gmc yukon chevy traverse toyota sequoia nissan armada chevrolet tahoe ford expedition max