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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's hydrogen fuel cell Mirai isn't good enough to be a Lexus

It looks like the first hydrogen fuel-cell vehicle from Lexus will be faster than previously advertised, but it will get to the market slower than expected. It's all part of the paradox involved with Toyota looking to broaden its fuel-cell technology beyond the Mirai. Either way, the first Lexus fuel-cell vehicle is slated to start sales by the end of the decade, said Auto Express, citing comments from Alain Uyttenhoven, head of Lexus Europe. Uyttenhoven noted that it'd take an SUV to provide enough space to accommodate the packaging for the Lexus fuel cell powertrain. That comment may imply that the hydrogen-fueled powertrain from Lexus will offer similar performance to that of the Lexus RX450h hybrid SUV. That model delivers 300 horsepower and boasts a 0 to 60 mile-per-hour time of about seven seconds. Such a mill would be a departure from what we'd previously reported on Toyota's plans to expand its fuel-cell technology to its Lexus luxury badge. With Toyota believed to be planning to unveil as many as three fuel-cell models in time for the 2020 Summer Olympics in Tokyo, the Japanese automaker said early last year that it may have a Lexus fuel-cell vehicle available as soon as 2017, while reports suggesting the model would be a Lexus LS-based sedan. Additionally, the Mirai's fuel-cell powertrain had been believed to be the platform for the proposed Lexus fuel cell from the moment that model started sales in California last year. Apparently, though, the Mirai's 152-horsepower powertrain, coupled with a full-tank range that would be about 20 percent less than the 300-mile Mirai, isn't up to snuff for Lexus duty. Related Video: News Source: Auto Express via Hybrid CarsImage Credit: Jonathon Ramsey / AOL Green Lexus Toyota Hydrogen Cars mirai

2017 Toyota 86 brings new name and fresh face to New York

The Scion FR-S and Subaru BRZ seem unable to get away from their negative reputation online. The Mazda MX-5 Miata has no problem gaining fans that want an affordable sports car. However, the Toyobaru twins, which also offer attainable performance, can't seem to find a similar footing. The 2017 Toyota 86 has a new name, a fresh face, and a little more power. Even with the latest upgrades, the 2.0-liter boxer four-cylinder's 205 horsepower and 156 pound-feet of torque doesn't make it a powerhouse by modern standards. However, a naturally aspirated engine with over 100 horsepower per liter is still rather impressive in this price range. Toyota doesn't have details yet, but the company claims that new ratios for the six-speed manual transmission also offer increase the coupe's performance. Updated shock tuning and spring rates should sharpen the handling a little, too. View 12 Photos The 2017 86's aesthetics are very similar to the outgoing FR-S, but Toyota uses this opportunity to keep things modern. The coupe now has LED headlights and taillights. The new central intake that stretches along the front also looks more aggressive. If you're still not happy with the 86 or BRZ, which also has a facelift on the way, the good news is that a replacement is coming eventually. Fuji Heavy Industries P\president Yasuyuki Yoshinaga has confirmed twice that Subaru and Toyota have a deal to create a second generation model. They haven't set an introduction date, though. Related Video: