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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 still wants Tesla's battery help, still evaluating RAV4 EV program

Tesla Motors said earlier this month that the agreement it has with Toyota to supply battery packs for the Toyota RAV4 EV SUV would be finished by the end of the year. The deal is done, but Toyota is now singing its best version of Baby, Please Don't Go. The Japanese automaker may look to extend the battery-pack agreement with California-based Tesla, Automotive News says, citing comments made by Osamu Nagata, who heads Toyota's manufacturing and engineering in North America. Nagata also complimented Tesla for its "clear business strategy." Toyota, which owns 2.5 percent of Tesla, started the RAV4 EV collaboration in 2012, in which Tesla was to make about 2,600 battery packs for the all-electric SUV. That agreement was estimated to be worth about $100 million. "We are also evaluating the RAV4 EV program and will have more to say at a later date" – Toyota "We have a good relationship with Tesla and will evaluate the feasibility of working together on future projects," Toyota said in a statement e-mailed to AutoblogGreen. "We are also evaluating the RAV4 EV program and will have more to say at a later date." And while Toyota hasn't quite met initial sales expectations – it sold about 1,600 of the RAV4 EVs through this spring – the company expects to reach 2,500 by the end of the year. And the partnership did generate about $15 million in revenue for Tesla, according to that company's first-quarter letter to shareholders. That said, Tesla is obviously focusing its battery-making efforts on its own models.

Automakers paying Chinese dealers for lower-than-expected sales

The Chinese dealers vs. foreign manufacturers story won't quit. It began with a story on the struggles faced by FAW-Toyota joint venture dealers, with supposedly 95 percent of the showrooms losing money, and 10 percent of them doing so poorly that they'd have to exit the business. The problem is mandated sales targets, most set when the country's economy was racing. Now that things have slowed, China's dealers are swimming in unsold cars and the costs to keep them. In the case of FAW-Toyota, dealers asked Toyota to hand over 2.2 billion yuan ($355 million) to help address the situation. That was followed by a report noting the issues that Honda, BMW, and Nissan dealers are having with the same issue, revealing that the Chinese Automobile Dealers Association (CADA) had taken the highly unusual step of writing to the Chinese government to complain. Now Reuters reports that CADA is not only pressing its case even harder, it's being open about it: it announced that BMW agreed to pay dealers 5.1 billion yuan ($820 million) to alleviate poor profits last year. Unnamed sources said Audi has thrown 2 billion yuan into the kitty for subsidies, and Daimler has contributed "about 1 billion yuan" to its dealers. The battle isn't just about 2014, but how business will be run in 2015 as well: Chinese Porsche dealers have requested the automaker lower its 2015 target of 64,000 cars, which would be a 40-percent increase on its 2014 sales of 46,931 vehicles. One analyst called it "shocking" that the CADA has taken its fight public, while CADA comments continue to imply that dealers have been railroaded to the cliff's edge without recourse. "Due to the difference in status," it's deputy secretary said, "individual dealers are not willing to, or don't dare to, talk frankly with the carmakers...." Both parties need one another, so they'll figure out a way to make it work – but that could mean acknowledging the Chinese market is behaving more like a mature one, not an emerging one. News Source: ReutersImage Credit: Lintao Zhang/Getty Images Earnings/Financials Audi BMW Porsche Toyota Car Dealers Luxury