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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 recalling 1.67 million vehicles worldwide in 3 campaigns

Toyota is issuing three separate recalls covering 1.67 million vehicles worldwide with most of those models in Japan. It looks like the campaigns' impact on the US may be smaller, though. According to Reuters, Toyota isn't aware of any accidents, injuries or fatalities affecting the models. Some yet-unnamed Lexus models might also be affected.
The largest of the campaigns does not currently affect any US-market vehicles. About 802,000 units of the Toyota Crown Majesta, Crown, Noah and Voxy in Japan are being repaired to replace a seal that could leak in the brake master cylinder. Those already leaking get a new brake booster, as well, according to Reuters.
The only recall currently believed to affect the US is due to a problem covering approximately 759,000 vehicles with 423,000 of them here. The repair is to fix a faulty fuel delivery pipe that could cause a fire if the fuel leaks out. Unfortunately, we don't know which models it covers. Autoblog spoke to Toyota spokesperson Mona Richard and was told the information was still "under embargo." When exactly that embargo will lift isn't yet known, but we're on the case.

The Toyota GT86 Shooting Brake Concept is real

As a two-door wagon the shooting brake exists at the unusual but captivating intersection between practicality and sportiness. This Toyota GT86 Shooting Brake Concept is no different – it's a standard GT86, with no mechanical alterations save the grafted-on wagonette roof and hatch. It's fully functional, too, having turned some laps on Toyota's test tracks. It even has the blessing of Tetsuya Tada, the father of the Toyota 86 and its Subaru BRZ and (now rebadged) Scion FR-S, who's been protective of the original GT86 concept to the point of strenuously resisting any serious power upgrades. This isn't the first shooting brake concept we've seen from the Toyobaru twins, but it's the first Toyota-badged one. Subaru brought the Cross Sport Design Concept to the 2013 Tokyo Motor Show. So how did the GT86 Shooting Brake Concept happen? The story, as Toyota tells it, involves the company's Australian design team. They created a 1/4-scale clay model of the shooting brake, and showed it to Tada when he visited in late 2014. He was so impressed, Toyota says, that he had his hand-picked craftsman in Japan bring the idea to full-scale fruition. The Australian design team, in the outdoor-loving spirit of their country, immediately thought that the longer roof would be perfect for carrying surfboards and other unwieldy sports equipment. And it would be. Meanwhile, Tada and the rest of the Toyota corporation want to tamp down expectations. It's a design study, the company says, and it's just "testing the waters." Toyota won't rule anything out, and Mazda recently surprised everyone with the MX-5 RF's unusual and attractive targa model. Maybe in a world where Mazda felt confident enough to introduce the RF, Toyota can be daring enough to bring a sporty wagon to the masses. We can hope, and maybe if we all make enough noise together Toyota will make it a reality. Related Video: Featured Gallery Toyota GT86 Shooting Brake Concept Scion Subaru Toyota Coupe Hatchback Wagon Concept Cars Performance shooting brake toyota gt86 gt86