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Tougher than steel: Wood pulp could make lighter auto parts

KYOTO, Japan — The global push among carmakers to make ever lighter vehicles is leading some auto suppliers in Japan to turn to what seems like an unlikely steel substitute — wood pulp. Japanese researchers and auto component makers say a material made from wood pulp weighs just one-fifth of steel and can be five times stronger. The material - cellulose nanofibers — could become a viable alternative to steel in the decades ahead, they say, although it faces competition from carbon-based materials, and remains a long way from being commercially viable.> Related: Jay Leno drives the Renew cannabis car — hemp you can't dent Reducing the weight of a vehicle will be critical as manufacturers move to bring electric cars into the mainstream. Batteries are an expensive but vital component, so a reduction in car weight will mean fewer batteries will be needed to power the vehicle, saving on costs. "Lightweighting is a constant issue for us," said Masanori Matsushiro, a project manager overseeing body design at Toyota. "But we also have to resolve the issue of high manufacturing costs before we see an increased use of new, lighter-weight materials in mass-volume cars."A NEW PROCESS Researchers at Kyoto University and major parts suppliers such as Denso Corp, Toyota's biggest supplier, and DaikyoNishikawa Corp, are working with plastics incorporated with cellulose nanofibers — made by breaking down wood pulp fibers into several hundredths of a micron (one thousandth of a millimeter). Cellulose nanofibers have been used in a variety of products ranging from ink to transparent displays, but their potential use in cars has been enabled by the "Kyoto Process," under which chemically treated wood fibers are kneaded into plastics while simultaneously being broken down into nanofibers, slashing the cost of production to roughly one-fifth that of other processes. "This is the lowest-cost, highest-performance application for cellulose nanofibers, and that's why we're focusing on its use in auto and aircraft parts," Kyoto University Professor Hiroaki Yano, who is leading the research, told Reuters in an interview. The university, along with auto parts suppliers, are currently developing a prototype car using cellulose nanofiber-based parts to be completed in 2020.

Toyota must go to trial over unintended acceleration suits

Toyota is surely readying its trial lawyers, as the Japanese giant is officially headed to court in a pair of cases relating to its unintended acceleration fiascos of 2009 and 2010.
In the first case, the United States Supreme Court has actually got involved in matters, ignoring an appeal from Toyota that attempted to use an arbitrator to settle its California lawsuits. The automaker will now go to trial to face owners of 2010 Prius models over an alleged defect with the anti-lock braking systems, which plaintiffs say made the cars more difficult to stop, according to Bloomberg.
The second trial is a bit more in depth, covering the case of Ida St. John, an 83-year-old from Georgia, that crashed her 2005 Camry in 2009. The accident is believed to have played a part in her death, although the suit, being filed by her grandson, doesn't actually place blame on Toyota for her death.

Toyota bids farewell to FJ Cruiser with Ultimate Edition at SEMA

Happy trails, to you... As we reported back in August, the FJ Cruiser is headed to the great automotive graveyard in the sky, and Toyota is offering a fitting eulogy in the form of the 2014 Trail Teams Ultimate Edition, which was just unveiled here at the 2013 SEMA Show.
Unlike many special edition models, the Ultimate FJ Cruiser earns its name with a host of parts from Toyota Racing Development, starting with TRD Bilstein race shocks that Toyota says improve damping, articulation and high-speed stability. The front shocks measure 66 millimeters and feature TRD race coil springs, with geometry that improves the approach angle; the 50mm rear units are equipped with remote reservoirs to diminish damping fade.
A new one-quarter-inch thick aluminum TRD front skid plate offers protection for the underbody bits, and the outfit is completed with a BF Goodrich A/T KO tires on 16-inch bead lock wheels, rock rails and a roof rack. Check out the high-res image gallery above and the press release below for all the rest of the details.