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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 i-ROAD goes to carsharing service Park24 in Tokyo

Drivers in Tokyo citizens can now soon a handle on what "active leaning" is all about. That's because a small number of Toyota's funky, three-wheeled i-Road electric vehicle will soon be available for a car-sharing program throughout the Japanese capital city. Let the party begin. Toyota is collaborating with parking-lot operator Park24 Co. on the car-sharing program. The automaker will contribute five i-Road vehicles to the project, which will start April 10 and run until the end of September. Users will be able to pick up the trikes at the Times Station at Yurakucho ITOCiA and will be able to drop them off at five locations throughout the city. Toyota will charge 412 yen (about $3.50) per every 15 minutes and will impose a maximum checkout time of two and a half hours. We first became aware of the i-Road when Toyota posted a groovy video of the vehicles sashaying through town a couple of years back. The car, which has so-called "active leaning" technology, is less than eight feet long and less than three feet wide, and has a top speed of 28 miles per hour. Check out Toyota's press release below and get more details here. Park24 and Toyota to Trial i-ROAD Sharing Service in Central Tokyo February 24, 2015 Tokyo, Feb. 25, 2015 -- Starting in April, Park24 Co., Ltd. and Toyota Motor Corporation will trial a car sharing service in central Tokyo using the Toyota i-ROAD, an ultra-compact three-wheeled electric vehicle. The i-ROAD, designed for flexibility and ease of use, will be paired with Park24's "Times Car Plus" service, which allows members to use share cars at any time of day or night. The trial will also incorporate elements from Toyota's "Ha:mo" optimized urban transport system. The trial will run from April 10 to the end of September. Usage data and user feedback will be gathered with the goal of assessing ease of use. The trial will also be used to assess changes in user activity patterns and receptiveness to new mobility systems of this type. For more information about the program, go to: http://newsroom.toyota.co.jp/en/detail/6168109/ Related Video:

Prius AWD-e, Subaru Forester and car museums | Autoblog Podcast #565

On the latest Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Green Editor John Snyder. They talk about driving the 2019 Toyota Prius AWD-e and the 2019 Subaru Forester. Then they discuss the weeks new, including conspiracy theories about Nissan and Carlos Ghosn, GM's EV plans and classic Ford Broncos for sale. The editors reminisce about their favorite automotive museums. They also help a reader choose a replacement for his Audi S4 in the "Spend My Money" segment.Autoblog Podcast #565 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown 2019 Toyota Prius AWD-e 2019 Subaru Forester Was Carlos Ghosn set up? Should General Motors be required to build EVs domestically? Al Oppenheiser to work on GM EVs Gateway Broncos Our favorite car museums Spend My Money Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: