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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

2014 Toyota Corolla debuts with more power, interior space

Depending on who you ask, the best-selling car in the world is either the Ford Focus or Toyota Corolla. Not surprisingly, Toyota claims it's the Corolla. Either way, we're talking around a million individual units per year, and over 40 million over the car's lifetime on the market, so the redesign of Toyota's compact sedan is big-time news for the Japanese automaker that it needs to get right.
The Toyota Corolla was last redesigned way back in 2008, meaning the 2014 model is a long-overdue update to the C-segment sedan. Its age shows when compared to newer rivals like the Honda Civic, Chevy Cruze, Hyundai Elantra and the aforementioned Ford Focus when comparing technology features, fuel mileage and interior roominess. In an effort to solve those demerits, Toyota has added nearly four inches to the 2014 Corolla's wheelbase and will offer a new continuously variable transmission with seven simulated gear ratios.
Engine choices consist of two available 1.8-liter four-cylinder units, one with 132 horsepower and 128 pound-feet of torque, and another more efficient version that uses Toyota's new Valvematic technology to offer 140 horses and 126 lb-ft of torque. Eco and Sport modes will be selectable by the driver.

Autoblog Podcast #398

Episode #398 of the Autoblog Podcast is here, and this week, Dan Roth, Brandon Turkus, and Michael Harley talk about the 2015 Ford Mustang, the 2015 Toyota Camry, and the Congressional grilling NHTSA received last week. We start with what's in the garage and finish up with some of your questions, and for those of you who hung with us live on our UStream channel, thanks for taking the time. Check out the rundown below with times for topics, and you can follow along down below with our Q&A. Thanks for listening! Autoblog Podcast #398: Topics: 2015 Ford Mustang 2015 Toyota Camry NHTSA under Congressional fire In The Autoblog Garage: 2014 Lexus ES 300h 2014 Lexus GS 350 F-Sport 2015 Kia K900 Hosts: Dan Roth, Michael Harley, Brandon Turkus Runtime: 01:36:56 Rundown: Intro and Garage - 00:00 2015 Ford Mustang - 28:58 2015 Toyota Camry - 42:41 NHTSA - 57:55 Q&A - 01:17:15 Get the podcast: [UStream] Listen live on Mondays at 10 PM Eastern at UStream [iTunes] Subscribe to the Autoblog Podcast in iTunes [RSS] Add the Autoblog Podcast feed to your RSS aggregator [MP3] Download the MP3 directly Feedback: Email: Podcast at Autoblog dot com Review the show in iTunes Government/Legal Podcasts Ford Kia Lexus Toyota