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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: Nissan Leaf top environmental performer, 50,000th Renault Zoe

Renault has produced its 50,000th Zoe electric car. A Frenchwoman named Sylvie took ownership of the milestone vehicle at the Flins plant where it rolled of the line. She says her children helped convince her to buy the all-electric vehicle, which Sylvie intends to use as a daily driver. The Renault Zoe is Europe's best selling EV since its launch in 2013. Renault reports a 98-percent satisfaction rate with the Zoe. Read more in the press release from Renault. Toyota will use a biosynthetic rubber called biohydrin in its engine and drive system hoses beginning in May 2016. Jointly developed by Toyota, biohydrin is a plant-based rubber with a 20-percent reduction in material lifecycle carbon emissions compared to petroleum-based rubber. Toyota plans to use the compound in even more components in the future, including brake and fuel line hoses. Read more from Toyota. So far in 2016, only 27.5 percent of hybrids and EVs are traded in for another electrified vehicle, according to Edmunds. That's down from 38.5 percent in 2015. 33.8 percent of electrified vehicles are traded in for SUVs. Despite the trend of EV and hybrid owners switching back to traditionally powered vehicles, average fuel economy isn't suffering. "This is an economics trend, since today's low cost of gas no longer makes it worth paying the price premium of hybrids and EVs," says Edmunds Director of Industry Analysis Jessica Caldwell. "And there are so many fuel-efficient vehicles on the market today that environmental concerns weigh less than they might have in years past. When you're buying a vehicle that can get over 30 mpg, you can still say you're doing your part to help the environment." Read more from Edmunds. Environmentally, electrified vehicles outperform their conventional combustion counterparts throughout their lifecycle. A study from the Automotive Science Group (ASG) finds that while production of advanced powertrains comes with a greater financial burden, most vehicles make up for it through efficiencies during their use phase. The ASG lists the 2016 Nissan Leaf as its best performer, with 47 percent fewer greenhouse gas emissions than the best-performing conventionally powered car, the Honda Fit. Rounding out the ASG's top five environmental performers are the Ford Focus Electric, Chevrolet Volt, Toyota Prius Two Eco, and Hyundai Sonata Plug-In Hybrid.

Europe on track to buy more PHEVs than hybrids by 2019

LMC Automotive, formerly the forecasting division of J.D. Power & Associates, predicts that plug-in hybrids will sell better than conventional hybrids by 2019. By 2021, it envisions PHEV sales at 600,000 units yearly compared to 325,000 standard hybrid sales, and by 2024 PHEV sales are expected to account for 1.2 million sales every year. Part of LMC's prediction is based on a few factors, such as that it believes "electric-only operation will come to be seen as a true luxury characteristic and will be prized sufficiently to command significant premiums." Certain PHEVs are helped in countries like the UK and The Netherlands by generous incentives or other perks, like avoiding inner London's congestion charge, that allow them to address their price differences compared to standard offerings. And the number of PHEVs on the market will soon eclipse regular hybrids, coming from makers across the spectrum. Volvo has twice recently, and only belatedly, learned of the popularity of PHEVs: in 2013 it had to triple production of the V60 PHEV, and just this month it said demand for its XC90 PHEV is four times expectations. The Porsche Panamera E-Hybrid is outselling the traditional hybrid Panamera by more than seven-to-one. And then there's Mitsubishi Outlander PHEV, Europe's best-selling PHEV with 19,855 units, a volume more than three times larger than the second-best seller. Although LMC sees hybrid growth slowing, they're still doing well. Toyota and Lexus build the top-five selling traditional hybrids in Europe, combining for 72 percent of European sales, with the new Auris and Yaris hybrids alone selling 123,506 units in 2014. For LMC's forecast to come true, Europe will need a spectacular change in buying habits, since the top ten conventional hybrids tallied 175,847 sales in 2014, and the top ten PHEVs rang up 36,138 sales. Featured Gallery 2015 Volvo XC90 T8 View 14 Photos News Source: Automotive News - sub. req. Green Mitsubishi Toyota Volvo Hybrid ev sales hybrid sales toyota auris hybrid toyota yaris hybrid