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Toyota R&D shows off free piston engine linear generator for future EVs

We often hear how an electric vehicle powertrain architecture allows vehicle designers much more freedom than a traditional ICE powertrain does. With differently shaped battery modules and small electric motors, there are lots of way to put the pieces together. With today's plug-in hybrid technology, engineers still need to put a decent-sized ICE somewhere, but new technology from Toyota could free up the gas-electric vehicle designers of the future. Presented at the recent SAE World Congress in Detroit, the idea from Toyota Central R&D Labs Inc. and involves what is called a Free Piston Engine Linear Generator (FPEG). Think of it as a sort of one-cylinder, two-stroke mini-engine that can work either as a generator (thank to magnets and a linear coil) or to directly drive a vehicle. The current prototype is a 10-kW unit that Toyota say would provide enough power to get a B- or C-segment electric vehicle up to highway speeds (75 miles per hour) when paired up to offer 20 kW. Pairing the FPEGs is also important to minimize vibrations. One system tested by Toyota had a 42 percent thermal efficiency, but the engineers are working to improve the overall efficiency even further. You can watch an animated video of the piston in action here (click on "Outline") and see the SAE papers here and here. More technical details are available at Green Car Congress. News Source: Toyota Labs via Green Car CongressTip: Thanks, Joe V. Green Misc. Auto Shows Toyota Technology Emerging Technologies Electric generator

Toyota to kill Scion brand [w/video]

Toyota Motor Co. said Wednesday it will kill its youth-oriented Scion brand, ending a 13-year experiment that attracted new customers but ultimately drained resources from the parent company. The FR-S sports car, iA sedan, and iM five-door hatchback will be re-badged as Toyotas starting in August for the 2017 model year, and the tC coupe will end production then. The C-HR displayed at the Los Angeles Auto Show will become a Toyota vehicle when it launches. Scion's 22 dedicated team members will be given opportunities to join Toyota. Toyota says it made the decision in response to customers' needs, noting it finds younger buyers want practicality in addition to the individualistic styling and features that Scion offered. Meanwhile, Toyota's own vehicles have gotten sportier, which the company says appeals to younger buyers. Scion claimed some successes, pointing to its average customer age of 36 years old, with 70 percent of its buyers new to Toyota. Scion sold more than a million vehicles since it launched. Its best year was 2006, when it sold 173,034 vehicles. Sales declined steadily in 2007-08 and then crashed in 2009 during the recession to 57,961 units, before bottoming out in 2010 with only 45,678 sales. "This isn't a step backward for Scion; it's a leap forward for Toyota. Scion has allowed us to fast track ideas that would have been challenging to test through the Toyota network," said Jim Lentz, founding vice president of Scion and now CEO, Toyota Motor North America. "I was there when we established Scion and our goal was to make Toyota and our dealers stronger by learning how to better attract and engage young customers. I'm very proud because that's exactly what we have accomplished." While Scion never recovered from its drastic sales decline, it served as a test bed for marketing and dealer tactics that helped its parent company. Scion tried out no-haggle pricing, a streamlined option plan (some cars had only two choices: color and transmission) and a pre-paid maintenance plan. "We appreciate our 1,004 Scion dealers and the support they've given the brand," said Bob Carter, Toyota senior vice president of automotive operations. "We believe our dealers have gained valuable insights and have received a strong return on their investment.

Thanks to smaller engines, vehicle dependability falls for first time in 16 years

As automakers have made engines smaller and smaller to improve fuel economy, problems in those vehicles have gotten bigger and bigger. That's the synopsis of a J.D. Power vehicle-dependability study, which found that dependability dropped for the first time in 16 years, largely because the proliferation of four-cylinder engines is causing the vehicles to be less reliable. Specifically, the number of problems per 100 vehicles (or what J.D. Power calls PP100) during the past 12 months for 2011 model-year vehicles rose six percent from the year-earlier figures for 2010 model-year cars. Singling out four-cylinder vehicles revealed about a 10-percent increase in problems during the past year. This issues largely related to engine hesitation, rough transmission shifting and lack of power, signaling the inability of vehicle makers to iron out some of the problems in their smaller engines as they strove for better fuel economy. Six- and five-cylinder engines proved far more reliable. Among car brands, BMW's Mini sub-brand came out as least reliable, with 185 problems per 100 vehicles during the past year. Toyota's Lexus badge was easily the most reliable, with just 68 problems per 100 vehicles. Coming in second place was Mercedes-Benz. The overall average was 133. Check out J.D. Power's press release below. J.D. Power Reports: Increased Engine and Transmission Problems Contribute to Decline in Vehicle Dependability for The First Time in More Than 15 Years General Motors Company Receives Eight Segment Awards, While Toyota Motor Corporation Garners Seven and Honda Motor Company Earns Six WESTLAKE VILLAGE, Calif.: o Owners of 3-year-old vehicles (2011 model year) report more problems than did owners of 3-year-old vehicles last year, according to the J.D. Power 2014 U.S. Vehicle Dependability StudySM (VDS) released today. The study, now in its 25th year, examines problems experienced during the past 12 months by original owners of 2011 model-year vehicles. Overall dependability is determined by the number of problems experienced per 100 vehicles (PP100), with a lower score reflecting higher quality. The study finds that overall vehicle dependability averages 133 PP100, a 6 percent increase in problems from 126 PP100 in 2013. This marks the first time since the 1998 study that the average number of problems has increased. "Until this year, we have seen a continual improvement in vehicle dependability," said David Sargent, vice president of global automotive at J.D.