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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.

The 2020 Mazda CX-30 will start at $22,945 with 2.5L power

We saw the CX-30 debut in Geneva earlier this year, and now Mazda has made its U.S. specification and pricing official. To get right down to it, the new crossover that splits the small end of the company’s crossover lineup will start at $22,945. We also have some solid information about spec and trim levels for our market, with some notable differences to how it can be equipped in Europe in particular. For one, like the latest Mazda3, it can only be equipped with a 186 horsepower 2.5-liter engine (naturally-aspirated, to be clear). Europeans can get a range of engines, and our neighbors in Canada and Mexico can get a 2.0-liter gas engine. A six-speed automatic is similarly our only transmission choice. All trims are available with front- or all-wheel drive. No word on whether the (somewhat underwhelming) Skyactiv-D diesel or (rather incredible) Skyactiv-X compression-ignition engines will be available. The materials Mazda provided us ahead of the CX-30Â’s U.S. debut focus heavily on the vehicleÂ’s standard equipment, including the now standard Mazda Connected Services — offering a variety of remote functionality and monitoring via the MyMazda app. Nothing you wouldnÂ’t expect from this sort of connectivity feature, including remote start and lock/unlock, as well as a WiFi hotspot (via Verizon, which is the parent company of Autoblog) and emergency assistance calls. Note that itÂ’s a three-year free trial; after that it becomes a subscription service, with a price weÂ’ll share with you once we learn it. There are four trims for the CX-30. The base model has some decent standard equipment: an 8.8-inch infotainment display, automatic headlights and the standard i-Activsense safety suite including driver inattention alert, radar cruiser control, lane departure warning with lane keeping assist, emergency braking assist and automatic high beams. Notably, blind spot monitoring is not available in the base model; buyers will have to step up to the next trim, Select, to get that safety feature. WeÂ’re disappointed that itÂ’s not standard across the board. So too with Apple CarPlay and Android Auto, also only available on Select and above. The Select trim is $24,945, and provides those features mentioned above as well as leatherette seats, keyless entry and 18-inch wheels. The Preferred trim ($27,245) provides upgraded audio, heated front seats, a power driver seat, a black gloss grille and a SiriusXM trial.

Refreshed 2017 Mazda 3 and 6 get G-Vectoring Control

Back in June, we told you about Mazda's G-Vectoring Control system, which is an additional layer of unobtrusive cornering assistance to help maintain traction at the limits of adhesion. It's subtle to the point of being hard for a human being to detect, even a Mazda engineer, as we found out driving a G-VC equipped Mazda 6 around Mazda Raceway Laguna Seca. We knew then that the G-VC system would make it to the 2017 Mazda 3 and 6, but now all the details of both mildly refreshed cars are available. Let's start with the Mazda 3, which has a few more changes than its larger stablemate. As is standard industry practice, a mild facelift includes available LED headlights and taillights, a new grille, and a monochrome rear bumper. Inside, the slightly recontoured steering wheel now has available heating and the manual handbrake has been replaced by an electronic one. Fans of handbrake turns will frown, but those handles take up an immense amount of room (relatively speaking) inside the center console. The redesigned center storage bin takes better advantage of that newly freed-up space. Lastly, Mazda claims the 3 is quieter thanks to improved insulation and weatherstripping. The Mazda 6 was just refreshed last year, so the list of changes is even shorter. The larger sedan benefits from similar sound-reducing tweaks as the 3, and the entry-level 6 with a manual transmission now comes with the Mazda Connect infotainment system, a real upgrade from the older non-touchscreen system. One thing that both share is an available full color head-up display, which replaces a functional but ancient-looking monochrome unit. If you've been in a Mazda currently on sale with this old-looking system, you'll really appreciate the way this new one looks. We can't wait to try it out. Both new Mazdas go on sale in September. Pricing isn't available at this time. Related Video: Featured Gallery 2017 Mazda3 Unveiling View 15 Photos Related Gallery 2017 Mazda6 Unveiling View 14 Photos Related Gallery 2017 Mazda3 View 36 Photos Related Gallery 2017 Mazda 6 View 33 Photos Image Credit: Live photos copyright 2016 Drew Phillips / Autoblog.com Mazda Hatchback Sedan mazda 3