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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.

Lexus NX will be produced in Canada

OTTAWA/MONTREAL — Toyota Motor Corp will build its Lexus NX luxury crossover vehicle at a Canadian plant starting in 2022, the company said on Monday, a decision that Prime Minister Justin Trudeau said demonstrated the value of the country's international trade agreements. The plant will invest hundreds of millions of dollars to produce the Lexus NX and its hybrid version at the factory in Cambridge, Ontario, "supplying the entire North American market," Trudeau said in a presentation with Fred Volf, president of Toyota's Canadian unit. Citing Canada's trade agreements with Mexico, the United States, Europe and Asia, Trudeau said: "We have preferential trade access to two-thirds of the global economy. In fact, we're the only G7 country that has free trade deals with every other G7 country." Trudeau, who faces a tough re-election contest in October, said the plans by Toyota, one of the world's largest carmakers, will help guarantee 8,000 jobs and the factory. The announcement is a "counter narrative" for Canada's automaking industry following recent bad news from other automakers, said Flavio Volpe, president of the Toronto-based Automotive Parts Manufacturers' Association, especially in the province of Ontario. Fiat Chrysler Automobiles NV said in March it would cut a shift at its Windsor assembly plant, leading to 1,500 job losses, and General Motors said last year it would shut its Oshawa factory by the end of 2019. Plans to assemble the NX in Canada "means that Toyota's Canadian manufacturing operations are here to stay," Volf said, adding that the cars are "the most technologically advanced and the most in-demand cars in the Toyota-Lexus global lineup." On Sunday, Trudeau hosted Japanese Prime Minister Shinzo Abe in Ottawa. Both touted the benefits of a Pacific trade deal that U.S. President Donald Trump walked away from. Trudeau said he had discussed the project to build the Lexus NX in Canada with Chief Executive Akio Toyoda on April 1. "When we last chatted just a few weeks ago, we discussed the potential of this new Lexus mandate," Trudeau said.

2018 Technology of the Year Award | We chat with Lexus about the LC 500h's hybrid system

Every year, Autoblog editors test dozens and dozens of the newest vehicles available, sometimes even before they're available. From those vehicles, we select the ones we think provide the most innovative technology in the industry. Then we pare the list down to the very best, test them again, and vote on our winner for Technology of the Year. This year, Lexus's multi-stage hybrid system — as tested in the LC 500h — came out ahead of the rest of the finalists. We chose the 2018 Detroit Auto Show to hand over the award to Lexus Group Vice President and General Manager Jeff Bracken. He was kind enough to sit down with Autoblog Senior Editor Alex Kierstein and Green Editor John Snyder at the Lexus stand to talk about the hybrid system, what it does, and what it means for the future of Lexus and Toyota. Check out the video above, and follow along for all our coverage from the 2018 North American International Auto Show in Detroit, where we are taking a look at all of the new cars and technology that we'll see in the near future. Perhaps the next winner of Autoblog's Technology of the Year award is sitting somewhere on the Detroit show floor. Related Video: Green Detroit Auto Show Lexus Toyota Fuel Efficiency Green Automakers Technology Technology of the Year Coupe Hybrid Luxury Performance Videos Original Video 2018 detroit auto show