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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

Recharge Wrap-up: Toyota HQ goes solar, CARB fights methane

Opel denies allegations about illegal emissions software as the German transport ministry begins its review. Opel has turned documents over to German authorities, and promises to hold a "constructive dialogue" while answering any lingering questions, says the automaker. Opel says that "the allegations reflect a wrong understanding of how diesel engines work." As German magazine Der Spiegel renewed questions about a cheat device similar to those used by Volkswagen, Opel reiterates, "We do not have any software that recognizes whether a vehicle is undergoing an exhaust emissions test." Read more at Automotive News Europe. South Korean President Park Geun-hye suggests that Seoul and Paris work together on the promotion of fuel cell technology. French industrial gases company Air Liquide manufactures liquid hydrogen, while Korean automaker Hyundai has already deployed its Tucson Fuel Cell crossover in select markets around the world. The two companies have signed a deal to cooperate on hydrogen technology. President Park visited an Air Liquide research center during a trip to Europe, where she said that a partnership between Hyundai and Air Liquide can help their countries stay ahead in the fuel cell vehicle market. Read more from Green Car Congress. CARB is proposing new rules for oil and gas facilities that would reduce methane emissions by more than 50 percent. The system, treatment, operation, and device standards would apply to onshore and offshore oil and gas production, storage, processing, and transmission facilities, covering procedures for leak detection and repair, equipment replacement, record keeping, and data reporting. "Methane emissions from the oil and gas industry contribute to California's [greenhouse gas] emissions and cost-effective reduction opportunities already exist and are available for use in the sector," CARB says. "In addition, reducing methane emissions from this sector will help slow the rate of climate change in the near-term and have an immediate beneficial impact on climate change." A hearing is scheduled for July 21 to discuss the proposal. Read more from SNL. Toyota's new Plano, Texas campus will get 25 percent of its energy from the sun. As Toyota plans to move into its new North American headquarters next year, it is building a 7.75-megawatt solar system to provide renewable energy for its operations. The solar arrays will be built atop three parking structures by the end of 2017.

2013 Pikes Peak Hill Climb, Practice Day 4

The fourth and final practice day of the 91st Pikes Peak International Hill Climb is complete. Tomorrow everyone will make any last-minute adjustments and get their cars, their bits and bobs lined up in the pits for Sunday morning's this-time-it-counts run.
The Unlimited runners took on the top section of the course today, Sébastien Loeb and his big-mouth Peugeot acing the practice test again with a time of 2:11. Rhys Millen's team proved its got the engine issues of two days ago in the Hyundai PM580T sorted out, posting the next-best time at 2:27.16. The reason we had to dip all the way into the hundredths for his time is because he nipped Romain Dumas by just .31 of them, the Frenchman in the Norma M20FC PP running the course in 2:27.47. In fourth came the Frenchman in the monster Mini, Jean-Philippe Dayraut six seconds back at 2:33.
Time Attack competitors, also on the upper section, were led by Paul Dallenbach in the Hyundai Genesis Coupe with a time of 2:36, Porsche pilot Jeff Zwart crossing the line six seconds later at 2:42, fellow Porsche driver David Donner coming in another six seconds back at 2:48. Dallenbach has topped three of the four practice-day sessions, sliding into the second spot behind Donner only on Practice Day 2.