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Toyota, Mercedes, BMW top automakers included in List of Best Global Brands

Interbrand, a consultancy firm, has published its 13th annual list of the best global brands. Besides seeing some shakeups at the top - Apple and Google unseated Coca-Cola (a company that has dominated the survey since its birth), the 100-item list features 14 automakers, most of which enjoyed double-digit gains in brand value.
Toyota managed to retain its spot as the study's top automaker. It finished the survey in 10th position overall (the same as last year), despite a 17-percent improvement in its brand value, from $29.33 billion to $35.34 billion. Mercedes-Benz, BMW and Honda all made the top 20, at 11th, 12th and 20th place, respectively. Hopping a ways down the list, we come across Volkswagen in 34th place, up from 39th in last year's study, with a brand value of $11.12 billion, a 20-percent improvement over 2012. Ford and Hyundai round out the automakers in the top 50, at 42 and 43.
Porsche made the largest year-over-year gain of any automaker, with its brand value increasing 26 percent to $6.47 billion. Chevrolet meanwhile, cracks the list for the very first time at 89th place. As Interbrand notes, Chevy's inclusion is notable because of the sheer number of vehicles it moves for General Motors and its recent push in developing markets. The final interesting note on this survey is the position of an automaker that takes its name and logo more seriously than perhaps any other - Ferrari. The Italian exotic manufacturer finished 98th out of 100, with just $4.01 billion in brand value, a six-percent improvement over 2012.

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.

J.D. Power study sees new car dependability problems increase for first time since 1998

For the first time since 1998, J.D. Power and Associates says its data shows that the average number of problems per 100 cars has increased. The finding is the result of the firm's much-touted annual Vehicle Dependability Study, which charts incidents of problems in new vehicle purchases over three years from 41,000 respondents.
Looking at first-owner cars from the 2011 model year, the study found an average of 133 problems per 100 cars (PP100, for short), up 6 percent from 126 PP100 in last year's study, which covered 2010 model-year vehicles. Disturbingly, the bulk of the increase is being attributed to engine and transmission problems, with a 6 PP100 boost.
Interestingly, JDP notes that "the decline in quality is particularly acute for vehicles with four-cylinder engines, where problem levels increase by nearly 10 PP100." Its findings also noticed that large diesel engines also tended to be more problematic than most five- and six-cylinder engines.