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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.

Does Scion's LA concept presage a US Auris?

When the doors open at the LA Auto Show in a few weeks, Scion will be on hand to showcase its new iM Concept. But considering what little Toyota's youthful brand has revealed about the concept so far, it's led to rampant speculation. And the prevailing wisdom seems to point towards a production iM arriving as a Scion-badged version of the Toyota Auris.
For those unfamiliar, the Auris is to European (and other) markets essentially what the Matrix is (was?) to ours: a hatchback version of the Corolla. The model line was first introduced in 2006, looking in its first iteration like an overgrown version of the contemporary second-gen Yaris, and was replaced with the current model in 2012. It's available as a five-door hatch or wagon, with a range of gasoline, diesel and hybrid powertrains available.
If the rumors - spurred by the similarity of the iM concept's nose depicted in the teasers - prove accurate, and public reception to the idea ends up spurring Toyota to put it into action, it wouldn't be the first overseas Toyota brought over as a Scion. The Scion iQ was sold as the Toyota iQ overseas years before it arrived here.

Toyota, Mazda $1.6 billion plant goes to Alabama, sources say

Alabama will be the site of a new $1.6 billion Toyota and Mazda auto plant, a victory for President Donald Trump who had prodded manufacturers to build new U.S. facilities and threatened tariffs on foreign production, sources said on Tuesday. The plant, which will employ up to 4,000 people and produce about 300,000 vehicles a year, will be located in Huntsville, Ala., and is a boon for the state, where Toyota has a large engine plant and an existing network of automotive suppliers. A formal announcement by company and state officials is expected on Wednesday in Montgomery, sources briefed on the matter said. The new plant — in a state Trump won by 28 points in 2016 — could be a political boost to the Republican president, who has urged automakers to build plants in the United States and add jobs. The companies said they expect the plant to open in 2021. Trump tweeted in March he wanted "new plants to be built here for cars sold here." The White House did not immediately comment on Tuesday. The announcement also comes at a time of declining U.S. auto industry sales, so it could exacerbate overcapacity and add pressure to cut prices. U.S. new vehicle sales fell 2 percent in 2017, after hitting an all-time record high in 2016, and are expected to fall further in 2018. Details of an anticipated tax and incentive package for the investment were not yet known. It has been reported the companies sought at least $1 billion in incentives. A Toyota spokesman declined to comment, except to say an announcement was expected soon. A Mazda spokeswoman also declined to comment. In recent months, the companies had narrowed their choices down to sites in Alabama and North Carolina. Local media last month said the leading site under consideration was in northern Alabama's Limestone County, near Toyota's large engine plant in Huntsville. In September, Toyota announced a $106 million technology upgrade for the Huntsville plant. A Chamber of Commerce of Huntsville website for the "Huntsville Mega Site" touts the fact it has been "certified as development-ready." The commerce chamber, local and state officials declined to comment on Tuesday on plans for the plant. A year ago, President-elect Trump criticized Toyota and threatened hefty tariffs against the Japanese automaker if it built its Corolla sedan for the U.S. market in Mexico. "Toyota Motor said will build a new plant in Baja, Mexico, to build Corolla cars for U.S. NO WAY! Build plant in U.S.