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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.

Recharge Wrap-up: 10-year sentence for biodiesel fraudsters, overhead fast charging EV buses in Luxembourg

Toyota will use addressable TV advertising to target potential Prius Prime customers. By choosing to advertise in households with specific attributes, Toyota hopes to grab the attention of buyers who "see their vehicle as an extension of their consumption of advanced technology," according to Toyota Motors Sales media manager Lisa McQueen. The ad depicts a person who is skeptical of various inventions throughout history until he finds himself inside the Prius Prime. Hyundai has also used addressable TV ads for its Genesis brand. Read more at Automotive News. Two Florida men have each been sentenced to over 10 years in prison for biodiesel credit fraud. Thomas Davanzo and Robert Fedyna of Gen-X Energy Group and its subsidiary Southern Resources and Commodities were convicted of buying fuel that had already been sold with Renewable Identification Numbers, then fraudulently claiming more credits on that fuel. The scheme raked in more than $46 million, mostly in selling the fraudulent credits. Critics of the Renewable Fuel Standard point to incidents like this as a reason to oppose the program. Read more from Reuters. Volvo electric buses in Luxembourg will use Heliox Fast Charge systems. Public transport operator Sales-Lentz has ordered three of the Heliox systems that will charge the buses using pantograph (overhead wire) contacts. The chargers will be placed at end-of-route stops for opportunistic charging of the transport agency's four Volvo 7900 electric buses. The 450-kW, Wi-Fi-enabled OppCharge system automatically connects the charger to contact plates on the roofs of the vehicles, charging them in three to six minutes. Read more at Green Car Congress. Related Gallery 2017 Toyota Prius Prime Advanced View 35 Photos News Source: Automotive News, Reuters, Green Car CongressImage Credit: Volvo Buses Government/Legal Green Marketing/Advertising Toyota Volvo Biodiesel Technology Electric recharge wrapup

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: