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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 launches updated Verso-S in Europe

Globally, the Toyota Yaris has bred more variants than we can shake a stick at. It's been known in different markets as the Vitz, the Platz, the Bella, the Vios and, to us, as the Echo. The first-generation model bred a small cargo van called the Yaris Verso - a mini minivan riding on the shortest wheelbase in its class - which was renamed the Verso-S for Europe and alternatively known as the Space Verso, the Ractis, the Ractis Verso and even the Subaru Trezia in certain markets. And now Toyota has launched a revised version of its Verso-S in Europe.
Arriving as a mid-life facelift after three years on the market, the new Toyota Verso-S has been reinterpreted through the "Keen Look" design language that's been distinguishing the latest generation of Toyotas, particularly in the European market. That means new projector-beam headlights and LED daytime running lights, a reshaped grille with chrome surround, more LEDs around back, a fresh set of 16-inch alloys and new color options.
The interior has likewise been spruced up with new trim and color choices, as well as a tire pressure monitor fitted as standard. There's a new touchscreen display with more connectivity options, upgraded nav and a rearview camera as well. Since Toyota's made no mention of engine upgrades, until we hear back, we have to assume the 1.3-liter inline-four and 1.4-liter diesel engines carry over unchanged with the buyer's choice of either a six-speed manual or continuously variable transmission.

Toyota to drop regular-cab Tacoma as small pickups take another hit

Even as General Motors prepares to redesign its midsize pickups, the market for sub-fullsize trucks continues to shrink. The remaining competitors in the segment are the well-aged Nissan Frontier, Honda Ridgeline and Toyota Tacoma, and now Truck Trend is reporting that the latter will be dropping its regular cab model due to poor sales.
According to the article, the available configurations for the Tacoma lineup will be whittled down in 2015, which apparently spells the end for the two-door Taco. The Tacoma is currently the last truck in its class to be offered in a regular cab configuration, with the Frontier no longer offering a standard cab model and spy shots of the next-gen Chevrolet Colorado not revealing any glimpse of a short cab, either.