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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.

2020 Mazda CX-30 shows off new appearance package at Tokyo Auto Salon

Following its introduction at the Geneva Motor Show last year, the 2020 Mazda CX-30 has appeared at the Tokyo Auto Salon wearing some new duds. The automaker developed a body kit for the compact crossover that's going on sale in Japan. The complete kit includes a front splitter, side skirts, rear diffuser panel, rear spoiler, wheels and mirror caps. The body kit is stylish and subtle. The silver accents help it stand out against the plastic body cladding of the stock CX-30. It also has some faux aluminum "skid plate" sections on the front and rear so that people still recognize it as a crossover, even though it looks lower and sportier. Although the kit has only been announced in Japan for now, we expect it will eventually be available in the U.S. just as the Mazda3 appearance package did. The complete kit is priced at $3,147 at current exchange rates, and it's discounted over the price if you were to buy each part individually. That price could change for the American market if or when it's offered here. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Mazda books first yearly profit in half-decade, NA still a drag

Automotive News reports Mazda has posted its first annual profit in five years. The company made $364.3 million in the last fiscal year, following a $1.14 billion loss the year prior. Operating profit also jumped up by $91.3 million to $572.8 million, thanks in part to a revenue increase of 8 percent to $23.42 billion.
But the news isn't all rays of sunshine. North America continues to be a problem for Mazda where the automaker posted yet another loss. The manufacturer lost $519.1 million last year, up from $427.8 million the year prior. While the launch of the CX-5 helped see US sales increase by 2 percent to 273,000 vehicles, the region as a whole bought up 372,000 units. Mazda had predicted closer to 380,000 units.
Even so, Mazda says it should have North America back in the black by next year, with the company forecasting a sales increase of 11 percent to 415,000 units in the region. That's thanks in part to a boost from the redesigned Mazda6 sedan.