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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 CamRally is vanilla spiced

We weren't quite sure it was possible, but NASCAR driver Parker Kligerman and the other folks behind this Toyota Dream Build Challenge vehicle (check out the other cars in the challenge) have made the Camry, a versatile but vanilla family sedan, into a performance car to be reckoned with. And by stripping it (literally) of its versatility and injecting some spice into it, this rally-spec Camry does indeed appeal to the enthusiast crowd.
The appeal starts with the CamRally's vintage Toyota racing colors of red, orange and yellow painted on a widened body. Those wide fender flares and rocker panels, paired with the revised front and rear fascias (and massive rear spoiler), lend the car an aggressive look without being tacky, and enhance the aerodynamics. But peel back the skin and you'll find plenty of performance upgrades to back up the looks.
While Toyota doesn't say how much horsepower it makes, the CamRally's V6 is turbocharged, and we assume the car's brake upgrade is indicative of the engine's increased output. The stripped interior only contains what's needed for rally racing, including bucket seats, a motorsport steering wheel covered in Alcantara, a carbon-fiber dashboard and a roll cage.

Toyota Tacoma X-Runner dead

A report from last week indicated that Toyota will begin trimming models from its Tacoma lineup starting with the Regular Cab in 2015, but the popular pickup will lose its first variant even sooner than that. For 2014, the Tacoma X-Runner has been dropped, though the company's SR Package could fill the need of those looking for a sporty pickup.
The X-Runner has been around since 2005 with its lowered stance, aftermarket-look body kit and bright paint colors, all of which are offered available only on V6-powered, two-wheel-drive Access Cab Tacomas. The new SR Package sounds like it will offer a somewhat similar appearance, though, with a monotone exterior paint scheme in limited colors accented with smoked headlights, but it will only be offered on Pre-Runner and 4x4 models. Other changes being made to the 2014 Tacoma include a new wheel option with black finish, a wider variety of Entune multimedia features, and the option to have the backup camera display moved from the rearview mirror to the audio system head unit.