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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.

2014 Toyota Corolla and Tundra production underway

After months of leaked photos and speculative reports, Toyota finally unveiled its 2014 Corolla to the world in early July at a star-studded California party. The confetti has been swept up and the champagne flutes washed and stored, and now the real work can begin: production. Toyota has announced that its new C-segment player has begun rolling off the lines at its plants in Mississippi and Ontario, Canada this week ahead of the planned start of sales in September. What's more, the refreshed 2014 Tundra pickup has also segued into production in San Antonio, Texas.
Corolla production in Mississippi is still a relatively recent phenomenon, with the plant having begun assembly of the outgoing model in the fourth quarter of 2011, while Toyota's Cambridge, Ontario plant has been churning out the compact volume king since 1988. Conversely, the Tundra has been in production at the Texas facility since 2006, and Toyota projects that the plant will build its milestone one-millionth new vehicle in September, right around the time the reworked fullsize pickup goes on sale.

Lexus F performance SUV could be in the works

Amid the wave of SUVs and crossovers that has crashed down on the industry, several high-performance sporting SUVs have washed up and started to fill a separate growing niche. It's an idea that Lexus is contemplating, according to a new report, with a possible F-branded utility vehicle focusing on either on- or off-road specialties. At the Rolex 24 in Daytona, Florida, Motor1 learned that incorporating a crossover or SUV into Lexus' F performance division has been under "active discussion." That doesn't necessarily mean a hotted-up utility vehicle, however. According to the report, F could translate to a different type of performance on the SUV, specifically for off-road capabilities. Using the F badge in this way would be a huge departure from what it has meant during the brand's 10-year history. Lexus currently offers the sport-focused RC F and the GS F, with an LC F expected soon. Should Lexus decide to lean further into the sport performance methodology with its utility vehicles, the newly released UX and the NX would likely be the top candidates. That said, Lexus does have two highly competent off-road vehicles in the Lexus GX and LX. Plus, Toyota, Lexus' parent brand, has been producing some of the best off-road vehicles on the market for years. As of now, this is just talk, but the way SUV and crossover sales have been going, we'd expect an F-branded Lexus SUV in the near future. Which kind of enthusiast it's for remains to be seen. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.