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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's Copen GR Sport is a tiny, racy roadster

In its home market, Toyota has a designated sport brand called GR, which is meant to invoke Toyota's Gazoo Racing division. It has three tiers of sportiness: the entry-level GR Sport, GR, and all-out range-topping GRMN. Ahead of the Tokyo Motor Show, Toyota announced it is adding to its GR Sport lineup a new mini convertible called the Copen GR Sport. Toyota pulled the Copen from Daihatsu's bank of cool minicars. Diahatsu announced its own Copen GR Sport at the Tokyo Auto Salon in early 2019. Now Toyota will sell its own hotted-up version of the tiny roadster. Toyota Gazoo Racing tweaked the new model and gave it sportier equipment and a visual update inside and out. First, let's talk basic stats. The Copen GR Sport weighs roughly 2,000 pounds and has a 0.66-liter turbocharged engine that makes 63 horsepower at 6,400 rpm and 68 lb-ft of torque at 3,200 rpm. It's front-wheel drive and is available with a five-speed manual or a continuously variable transmission (CVT) with seven-speed Super Active Shift and paddle shifters. Toyota left the powertrain alone and chose to focus on body rigidity and suspension tuning. The Copen GR Sport has specific shock absorbers, updated spring rates, retuned power steering, a new front brace, and a redesigned center brace.  Toyota made the Copen a bit more visually aggressive as well. It has a unique front bumper with side air intakes, a larger front grille, and a rear bumper with a new diffuser look. It also comes with matte gray BBS forged-aluminum wheels, LED headlights, LED fog lights, and LED taillights. GR Sport emblems on the front, side, and rear assure passers-by this is not a regular Copen. In total, eight exterior colors are available, as are multiple color options for the roof. The black interior was spruced up with Recaro sport seats with GR embroidery, a MOMO leather-wrapped steering wheel with the GR emblem, piano black accents, and a new GR instrument cluster with red accents. Unfortunately, the pint-sized roadster is only available in Japan.

Ford, Toyota clean up in Best Car For The Money Awards

The U.S. News Best Cars for the Money Awards picks winners by looking at the average transaction price, five-year total cost of ownership, the regard a car has from the automotive press, reliability figures from J.D. Power and Associates and safety data from the National Highway Traffic Safety Administration and the Insurance Institute for Highway Safety. The result, according to the magazine, is "the best combination of critical acclaim and long-term value."
Ford nabbed six of the 21 categories that received awards this year, the Focus, Fusion, Fusion Hybrid, Taurus, Escape and Edge getting trophies. Toyota and its Lexus and Scion sub-brands took another five, the Tacoma and Tundra owning the two categories given to pickup trucks. The other ten awards were split between Honda with three, Buick with two, and one each for Subaru, BMW, Hyundai, Chevrolet and Mazda.
Follow the link to see all the winners and read about why they were chosen.