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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

This 1,000-horsepower, rear-drive Toyota Corolla iM could be yours

We were amazed last year when we learned that Papadakis Racing built Fredric Aasbo a rear-drive, 1,000-horsepower 2017 Toyota Corolla iM for drifting. Now we're amazed that the car could end up in the hands of an average person, because the car is currently going for auction on Bring A Trailer. Just as a quick recap for those that might have missed hearing about the car last year, the little Toyota hatch features a turbocharged and nitrous-injected 2.7-liter 2AR-series Toyota four-cylinder. Variants of that engine are found in older Toyota RAV4s and Camrys. According to Bring A Trailer, the engine hits 1,000 horsepower and 850 pound-feet of torque when running on E85. Power goes through a four-speed dog box manual transmission to the rear wheels. Now there is the question of what you would do with such a mad machine. One possibility is to run it again in the Formula Drift series the car was built for. Bring A Trailer reports that it should be legal for the 2019 season, and with extra parts and wheels, you would be in a good spot to get started. The seller does note that all the graphics and sponsor decals would have to be removed if it's entered again. Even if you didn't run it in a professional drift series, it would probably be a fun car to use in more grassroots drift events or even just as a track car of some sort. There's also one more potential option that would be totally absurd. You see, it appears Papdakis Racing started with a factory-built, street legal Corolla iM that could have easily gone on to see a life of ferrying a young couple or family around in efficient, affordable style. As such, it should have a VIN that could be used to register and insure the car without too much trouble. It even still has functional lights. As long as you're in a state that doesn't have modification or emissions restrictions, it could be possible to make this a street car. Now we're not positive on this, so do your due diligence before plunking down cash for it, but it does seem possible, and it would be crazy and awesome. Related Video:

2014 Toyota Prius crash test rating drops to four stars

If nothing has changed, then how come something changed? That's the question behind the recent drop from five to four stars in the crash test rating for the Toyota Prius. As you can see on the National Highway Traffic Safety Administration (NHTSA) website, the 2014 Prius gets four stars overall while the 2013 got five. The two cars are basically identical, so what gives? Toyota says it is not sure why NHTSA rated the Prius a four this time. Starting with the 2011 model year, NHTSA updated its rating system and says in a FAQ that vehicles that had four- or five-star ratings could get lower ratings "even if no changes have been made to the vehicle." Green Car Reports says that the issue is a new set of frontal barrier tests that were conducted on the 2014 Prius last month and that resulted in the first new bits of crash test data for the car in years. The 2012 and 2013 Prius models were rated based on tests done in February 2011 on a 2011 Prius. All of these are variants of the third-generation model. The next-gen Prius is expected in 2015. Jana Hartline, environmental communication manager at Toyota Motor Sales, USA, told AutoblogGreen that the company doesn't quite know what's going on with the drop in crash test scores: There have been no changes in the test standards and no changes in the car, other than minor reinforcement for small overlap crash test which we believe did not compromise integrity. We are not sure why it rated a 4 this time. We are looking at the test results and we are confident the new generation will move back to 5 stars. 2014 Prius still has a five-star rating for the side crash test and four in the rollover test. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.