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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, Lexus to build more CUVs to meet surging demand

What was the biggest takeaway from the auto industry's 2014? Besides the fact that recalls are now a sad and mostly unremarkable part of a vehicle's life, it's that you can't be a competitive, mainstream brand in the US without a really strong line of crossovers, SUVs or pickups. We saw evidence of this as recently as Monday, when Hyundai unveiled its HCD-15 Santa Cruz Concept, and now we're seeing it again with Toyota. The company already has a comprehensive lineup of both mainstream and luxury CUVs and SUVs, although surging demand – sales were up 16 percent last year, Bloomberg reports – has led the company to increase its production tempo at the plants responsible for the RAV4 and Lexus RX. "The freeze is still in place until the end of March of 2016," Toyota's Jim Lentz told Bloomberg during this week's Detroit Auto Show, referencing the production bump at the Japanese and Canadian factories responsible for the models. "That hasn't changed. All indications are that it will lift, but right now it has not lifted." The increased sales are even spurring the brand to consider additional CUVs, including a compact that would slot in below the RAV4, Lentz told the business publication. Such a move would give Toyota a player in an increasingly competitive and important segment. In 2014 alone, mainstream brands, including Honda, Mazda, Chevrolet and Jeep, have announced brand new products destined for the compact CUV market. "We're going to have to look at how the market under RAV4 develops," Lentz told Bloomberg. "There's no question that it's going to. That's going to be the next growth spurt." Related Video:

2023 Japan Mobility Show Editors' Picks

No, it's no longer called the Tokyo Motor Show, but the Japan Mobility Show is still in Tokyo and it still has to do with motors. In fact, with the rise of EVs, it's more of a motor show than ever before. And there were an astounding number of motors (and engines) to see, or at least concepts that hypothetically have them. Truly, we haven't seen a turnout this amazing since before the pandemic.  As such, the 2023 Japan Mobility Show featured plenty of machines that could, and did, snag points from our editors. And yet, even with the massive field, one car, unequivocally, stole our hearts. Read on to see our favorites.   Toyota Land Cruiser Se concept View 4 Photos 5. (Tie) Toyota Land Cruiser Se  While this concept is not quite the off-roader that the Land Cruiser is known to be, a street-focused electric SUV seems like a fine fit for the Toyota portfolio. It's hard to imagine we won't see an electric Land Cruiser come to production one day, filling out that as-yet underrepresented three-row EV segment. Give us an even more rugged version, and we'll be happy — Senior Editor, Green, John Beltz Snyder   Subaru Sport Mobility Concept View 7 Photos 5. (Tie) Subaru Sport Mobility I'm still waiting for a fun, electric sport coupe, and as much as I enjoy the likes of the rear-drive BRZ, I could have some serious fun in something like this all-wheel-drive Subaru Sport Mobility year round. I could fill that hole in my heart left by my '04 WRX. — Senior Editor, Green, John Beltz Snyder   Toyota EPU concept View 4 Photos 4. Toyota EPU You know what I like? Useful, funky little vehicles. The Ford Maverick and Hyundai Santa Cruz fit that bill well, and it seems a lot of other people like them, too, based on demand. You know what I also like? EVs. You know what combines those two things? The Toyota EPU. Assuming it was priced fairly reasonably (well below $40,000 is what I'm thinking), I would seriously be looking at getting one. I also seriously hope that Toyota's seriously looking at launching this, because it seems like a seriously great package. Seriously. — News Editor Joel Stocksdale   Mitsubishi D:X Concept View 8 Photos 3. Mitsubishi D:X Concept We sure do wish Mitsubishi sold the Delica here in the United States. We've long been fans of the van, which initially was sold in rear-wheel-drive form but adopted four-wheel drive in the early 1980s, and judging by the numbers we see imported to the States, we're not the only ones.