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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 to pay $11 million after trial for fatal Camry crash

Years after Toyota's unintended acceleration fiasco, the company is still making headlines for cars with sticky gas pedals. A federal jury in Minnesota decided yesterday that Toyota should pay $11 million for its role in the crash of a 1996 Camry that resulted in three deaths and sent a man to jail. A stuck pedal caused the Camry of Koua Fong Lee to accelerate uncontrollably and impact an Oldsmobile Cutlass Ciera, killing its driver and his nine-year-old son, and paralyzing a six-year-old girl, who later died of her injuries. Two other passengers in the Olds were seriously injured. Lee spent nearly three years in prison on a charge of vehicular homicide, until the unintended acceleration recall erupted. He filed a motion for a new trial and won, and then joined the suit against Toyota filed by the victims and their families of the 2006 crash that left him imprisoned. The jury found Toyota 60 percent responsible for the accident, with the remaining 40 percent of blame going to Lee. Toyota has denied that the 1996 Camry, which wasn't included in the company's sweeping accelerator pedal recalls, was at fault. Toyota released a statement saying the company respects the jury's decision but believes the evidence clearly showed the vehicle wasn't the accident's cause. The company said it will study the record and consider its legal options. Under Minnesota law, the way the jury allocated fault means Toyota is responsible for paying all damages, minus 40 percent of the amount awarded to Lee, said Lee's attorney, Bob Hilliard. That brings Toyota's total liability to $10.94 million. Lee will receive $750,000 of that total. During the trial, Hilliard, told jurors there was a defect in the car's design. He said the Camry's auto-drive assembly could stick, and when tapped or pushed while stuck, it could stick again at a higher speed. He also accused Toyota of never conducting reliability tests on nylon resin pulleys that could be damaged under heat and cause the throttle to stick. "This is what makes the car go. This is what turns it into a torpedo, a missile, a deadly weapon," Hilliard said during his closing argument. Toyota said there was no defect in the design of the 1996 Camry. The company's attorney, David Graves, suggested that Lee was an inexperienced driver and mistook the gas pedal for the brake. Toyota also noted that Lee's car was never subject to the recalls of later-model Toyotas.

BMW-Toyota joint sports car project is on like Donkey Kong

It's official - there will be a jointly developed sports car from BMW and Toyota. While the two auto giants signed a Memorandum of Understanding that pledged to pursue "joint development of architecture and components for a future sports vehicle" back in June of 2012, in the interim, it has remained unclear how those plans had been progressing. BMW has finally officially confirmed that the German and Japanese manufacturers will be codeveloping a pair of sports cars in addition to pursuing other disciplines including fuel cell systems and lightweight technologies.
"We have agreed on a joint architecture for a sports car. What is important is that there will be two different vehicles that are authentic to the two brands," BMW Development Chief Herbert Diess told Germany's Frankfurter Allgemeine Zeitung, Reuters is reporting. This is a very, very big step for both brands, but now the speculation can officially begin as to what the products of this agreement will look like.
There's ample reason to believe that the BMW-Toyota tie up will result in a Supra successor based on comments made by the chief engineer of the GT86/FR-S program, Tatsuya Tada, back in August. Follow that with a rumor from earlier this month that Toyota could debut a Supra concept car at the upcoming Detroit Auto Show later this month, and we could be seeing the fruits of this partnership sooner rather than later.