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Toyota recalling 615k Sienna models over rollaway risk

Toyota has announced a recall affecting approximately 615,000 Sienna minivans due to a possible rollaway risk. All of the vehicles in question are from the 2004, 2005, 2007, 2008 and 2009 model years.
In an official statement, the automaker states that the problem stems from the vehicle's shift lever assembly. "Because of the potential for damage to the shift lock solenoid installed in involved vehicles, there is a possibility that the shift lever could be moved out of the 'P' position without the driver depressing the brake pedal," Toyota said. Because of this fault, the affected Sienna models could roll away without warning, increasing the risk for a crash.
Owners will be notified via first class mail, and the affected Sienna models can be taken to Toyota dealerships to have the shift lock solenoid replaced with a new one. Have a look below for the automaker's official release.

How Toyota's 100-year textile history influenced FCV hydrogen fuel cell car

Turns out, Toyota had a surprising ace in the hole when it came to building the new fuel tanks for the FCV hydrogen fuel cell car, which is coming next year. Well before Toyota became the Toyota Motor Company, it was the Toyota Industries Corporation and it made textile looms. This is important because the main structure of the hydrogen tank is wound carbon fiber. When Toyota set out to increase the strength of the tanks to hold hydrogen stored at 10,000 psi (up from 5,000 in the previous tanks), it was able to draw on its 100-year-old history as it designed its car of the future. "A lot of that textile experience came back when we did the tank wrapping." – Justin Ward "We have a lot of experience with textiles," Justin Ward told AutoblogGreen at the 21st World Congress on Intelligent Transport Systems (ITS) in Detroit this week, "and a lot of that textile experience came back when we did the tank wrapping." On top of being able to hold the higher-pressure hydrogen, Toyota's first attempt to build its own hydrogen tank was six times faster than the industry standard, so it saved time and money as well as working better. The company will also be able to inspect its own tanks. Ward is the general manager of powertrain system control at the Toyota Technical Center and hydrogen vehicles are something he knows a lot about. The reason for the stronger, 10,000-psi tanks is because the 5,000-psi tanks only offered around 180-200 miles of range, even with four tanks in the early $129,000 FCHV Highlander hydrogen prototypes. The FCV only has two, but they will able to deliver the 300-mile range that customers told Toyota they wanted. Dropping the number of tanks not only obviously reduced the cost for the tanks themselves but also the number of valves and hoses and other components you need. Despite the benefits of higher compression, going much higher doesn't make sense. 10,000 psi is the "natural progression," Ward said, because "you start to bump up against compression inefficiencies." Think of an air compressor. When hydrogen is produced at a wastewater treatment plant or a reforming site, Ward said, is it at around ambient pressure (14 psi). That has to be raised, using compressors, all the way to 10,000 psi. "That takes energy," Ward said, "and every doubling of pressure adds another doubling of energy needed, so it starts to add up pretty fast if you go too high." Component specifications are also fine at 10,00 psi, but more difficult at higher levels.

Toyota has 200 orders for 2016 Mirai hydrogen fuel cell car

Toyota built 500 Lexus LFA supercars between 2010 and 2012 in what Automotive News has called a "secretive workshop." The automaker has been wondering what to do with that production line since the last LFA rolled off in December 2012 and, like so much else for Toyota these days, the answer is a hydrogen car – and in about the same small numbers. The 200 Mirai orders are "mostly from government and corporate fleets." – Masamoto Maekawa The 2016 Mirai fuel cell vehicle will go into production later this month at the old LFA workshop, which is located behind Toyota's Motomachi assembly plant in Toyota City. The skilled workers there have been doing other things (like building bicycles) since the last LFA was finished and now Automotive News says they will hand-build the Mirai so that the car can get the attention to detail Toyota wants and because there won't be that many of the hydrogen cars made for a while. Toyota has already said it will sell only 3,000 Mirai FCVs in the US by the end of 2017 (it won't arrive here until late 2015, with deliveries in Japan starting earlier). With 200 orders already in and a plan to build only 700 in 2015, Toyota is already talking about delivery delays. Toyota's executive vice president for domestic sales, Masamoto Maekawa, said that, "the 200 orders are mostly from government and corporate fleets." Production could remain at LFA Works for a while. One Toyota exec said that even if the company makes 2,000 Mirais a year, that would still be only 10 each day. Doesn't sound like there's going to be anyone working weekends for a while.