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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 fills in details about its future design direction and global platform

"In the future, out of 100 customers, we want to excite ten of them instead of not offending all 100."
Almost all of the details about the Toyota New Group Architecture (TNGA) strategy have come out since the initiative was first reported on in March of this year, but Autoblog did learn a few new things about it on a recent trip to Japan. Probably the second-most important detail is that each new segment platform will be based around a common hip point to create an "optimal driving position architecture."

Driving the Toyota 4Runner TRD Pro and GMC Sierra AT4 | Autoblog Podcast #713

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by News Editor Joel Stocksdale. They've been driving the 2022 GMC Sierra 1500 AT4 (no, not the updated version) and Toyota 4Runner TRD Pro, as well as Autoblog's long-term Hyundai Palisade. In the news, they say farewell to BMW's V12, discuss Bollinger Motors' shift to commercial vehicles and a teaser of the 2023 Toyota Sequoia. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #713 Get The Podcast Apple Podcasts – Subscribe to the Autoblog Podcast in iTunes Spotify – Subscribe to the Autoblog Podcast on Spotify RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Cars we're driving 2022 Toyota 4Runner TRD Pro 2022 GMC Sierra 1500 AT4 2021 Hyundai Palisade BMW 'The Final V12' special edition 7 Series marks the end of an era Bollinger Motors pumps brakes on consumer EVs to focus on commercial trucks 2023 Toyota Sequoia teased again, adds reveal date Feedback Email – Podcast@Autoblog.com Review the show on Apple Podcasts Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related Video: Podcasts BMW GMC Hyundai Toyota Truck Crossover SUV Commercial Vehicles Electric Off-Road Vehicles Performance Sedan