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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.

2018 Mazda6 2.5T First Drive Review | Smooth operator

ANN ARBOR, Mich. — We like driving Mazdas, even if it's not the Miata, because they've always got an underpinning spirit of enthusiasm that makes even the slowest Mazda3 or the heaviest CX-9 at least somewhat entertaining. So when Mazda announced the refresh of the Mazda6 for the 2018 model year, we perked up. A new engine and some other refinements are exciting, sure, but maybe more important is the redesigned interior. Mazda's interiors haven't always impressed, but over the years they've improved — and this generation of the Mazda6 up until now has been an example of that improvement. Fortunately, because they're fun to drive, we've been able to overlook some interior foibles. Much attention was paid to noise, vibration and harshness (NVH). The company says it made 70 changes, from tires to suspension geometry to sound deadening materials, in order to make the car more comfortable going down the road, while maintaining its fun driving dynamics, and none of them include active noise cancellation. Of course, the turbocharged version of the 2.5-liter Skyactiv-G engine should help with the fun. We got behind the wheel of the 2018 Mazda6 2.5T, in top-tier Signature trim, to drive it on some of our favorite Michigan roads. We were especially interested in figuring out whether the interior lived up to the hype, and whether the other refinements would dull the car's driving dynamics. Mazda seems like it's laying the groundwork to pushing its brand upmarket. With exterior design nailed down — the Mazda6 is a handsome sedan, and receives minor tweaks for 2018 to make it more so. In fact, this car is laden with the automotive equivalent of sex appeal (which some would just call sex appeal). It's absolutely magnetic. If you're not feeling it, check it out from a different angle; it'll change your mind. As we mentioned, the company has turned its attention to the experience inside the car, and in addition to new materials inside, it has a new top-tier Signature trim level, which Mazda refers to as "aspirational" — but at $35,640, it's not exactly out of reach. It's rare that we get into any sub-$40k car and start caressing the interior with both eyes and fingertips. It happens rarely – the last one was the Honda Clarity PHEV, which was a real surprise. The 2018 Mazda6 marks the second occasion. Both times we were taken completely off guard by it. The Mazda, though, has the exterior charm to match. The new seats are fantastic, too.

Autoblog Minute: VW Q3 financial woes, 2015 Tokyo Motor Show

Consumer Reports pulls its Tesla recommendation, the U.S. Copyright Office offers a ruling affecting car owners, VW gets hit hard with third-quarter losses, and lots of exciting news from Tokyo. Autoblog senior editor Greg Migliore reports on this edition of Autoblog Minute Weekly Recap. Show full video transcript text [00:00:00] Consumer Reports pulls its Tesla recommendation, the U.S. copyright office offers a ruling that affects car owners and gear heads, VW gets hit hard with third-quarter losses, and lots of exciting news from Tokyo. I'm senior editor Greg Migliore and this is your Autoblog Minute Weekly Recap. After a week away testing vehicles for Autoblog's Tech of the Year award, we're back in the office to recap the week in automotive news. [00:00:30] One of the things you might have missed was Consumer Reports pulling its recommendation of Tesla's Model S sedan. The blemish for Tesla comes after a tally of reviews from customer surveys. The most common problem areas for the Model S as cited by survey takers included: the drivetrain, power equipment, charging equipment, body and sunroof squeaks, rattles, and leaks. So lots of stuff. Though they could not ignore a score of "worse-than-average", Consumer Reports still [00:01:00] highlighted the fact that the Model S was "the best performing car" they've ever tested. Telsa CEO Elon Musk took to social media to defend his sedans saying: "Consumer Reports reliability survey includes a lot of early production cars. Already addressed in new cars." And, "Tesla gets top rating of any company in service. Most important, CR says 97% of owners expect their next car to be a Tesla (the acid test)." In Financial news, Volkswagen took a hit and reported an operating loss of [00:01:30] $3.84 billion. This is the first such loss for VW in 15 years. Toyota reclaimed the crown as the world's largest automaker as well. It's important that it's not all doom and gloom for VW though in Q3. Sales revenues were up and the company's automotive division boasts $30 billion dollars in liquid assets. It's a sizable war chest that will no doubt come in handy, as the company has yet to feel the full brunt of the diesel emissions scandal. Good news for gear heads. The US copyright office [00:02:00] ruled in favor of mechanics and car owners by granting an exception to existing copyright law. The law was originally meant to prevent software pirating and bootlegging of Hollywood movies.