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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

Watch the Muppets go for ice cream in a Toyota

Do Muppets drive? We're not sure it's necessarily a good idea, but it's been known to happen. Fozzy called his hibernating uncle's Studebaker a bear's "natural habitat," and Doctor Teeth wouldn't get the Electric Mayhem very far without his band's psychedelically painted school bus. But how about Rolf in a 2014 Toyota Highlander?
That's what we got a glimpse of in the run-up to the Super Bowl, and the same combination (plus one Rizzo the Rat) that features in this adorably ordinary video below. Ordinary because it's just a couple of guys going out for an ice cream. Adorable because, well... they're Muppets. See what we mean in the surprisingly entertaining two-minute clip below.

Toyota JPN Taxi Concept is a Japanese riff on an English classic

As far as beasts of burden go, New York City's new - and much maligned - Nissan NV200 "Taxi of Tomorrow" isn't a bad one. It's space efficient, reasonably economical, and its simple construction should mean it's pretty robust over the long haul, too. But it lacks panache and a sense of occasion - let alone a sense of humor - three things this this Toyota JPN Taxi Concept we found at the Tokyo Motor Show has in spades.
Unfortunately, that's about all the information we have on this cheeky London-taxi-inspired showcar. Toyota hasn't provided much in the way of details, other than to proclaim that the five-seat JPN was "created with Japanese hospitality in mind" and it "aims to enliven city streets." Japan's livery landscape has long been occupied by traditional three-box sedans - models like the Toyota Crown and Nissan Cedric. The JPN Taxi at just over 171 inches would appear to offer both a tighter footprint and added whimsy, both of which are in the automaker's favor; we hear it hopes this concept will one day become the country's own version of America's yellow Crown Vic cab.
Toyota isn't providing powertrain specifications, but we like the airy feeling of the interior (Japanese cabs typically don't have cumbersome partitions between cabbie and passengers), the minimalist driver area with three screens, and the widescreen overhead video system for passengers that bookends the panoramic moonroof. Check it out in our gallery of live shots and let us know what you think in Comments.