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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.

Mazda recalls Takata airbags in B-Series

The Basics: Mazda will recall 19,000 examples of the 2004–2006 B-Series pickup. The Problem: The pickups contain Takata-sourced driver's side airbag inflators that could rupture in a crash. The spray of metal shrapnel could injure or even kill occupants. Injuries/Deaths: None reported in the Mazda pickups. However, a rupturing airbag inflator killed the driver in a Ford Ranger, which is identical to the B-Series. The Fix: Mazda will replace the driver's side inflator. If You Own One: Mazda plans to notify affected owners as soon as dealers have the replacement parts. More Information: Mazda already recalled 442,266 driver's side Takata inflators and 416,475 of them on the passenger's side. The affected models included the 2003-2008 Mazda6, 2004-2006 B-Series, 2006-2007 Mazdaspeed6, 2004-2008 RX-8, and some examples of the 2004 MPV. Ford also issued an expanded safety campaign for 391,394 examples of the 2004-2006 Ranger. Related Video: Mazda Announces Recall On B-Series Vehicles With Takata Driver-Side Frontal Airbag Inflators WASHINGTON, DC (February 1, 2016) – Mazda has decided to recall all 2004–2006 model year B-Series Trucks with Takata driver-side frontal air bag inflators. Approximately 19,000 vehicles are affected in the U.S., Puerto Rico and Saipan. There have been no reports of accidents or injuries on the Mazda-badged vehicles subject to this recall. Model Year 2007-2009 B-Series Trucks with Takata passenger-side frontal air bag inflators are part of a previous recall. Approximately 19,000 vehicles are affected in the U.S., Puerto Rico and Saipan. Below is a summary of Mazda models with a passenger- and/or driver-side front Takata air bag inflators currently being recalled. Total Number of Driver's frontal air bag inflator - 442,266 Total Number of Passenger's frontal air bag inflator - 416,475 2003-2008 Mazda6 2004-2006 B-Series 2006-2007 Mazdaspeed6 2004-2008 RX-8 (All Driver-side / Certain Passenger-side) 2004 MPV (Certain Vins only. Click here to see if your vehicle is included.) Mazda North American Operations is headquartered in Irvine, Calif., and oversees the sales, marketing, parts and customer service support of Mazda vehicles in the United States and Mexico through more than 700 dealers. Operations in Mexico are managed by Mazda Motor de Mexico in Mexico City.

A pair of Mitsubishis, the Mazda CX-30 and electric incentives | Autoblog Podcast #673

This week's Autoblog Podcast features Editor-in-Chief Greg Migliore and Consumer Editor Jeremy Korzeniewski as they debate the merits of the redesigned Subaru BRZ and Toyota 86 coupes and whether or not they are distinctive and powerful enough to attract buyers. The duo spends some time discussing ongoing EV and infrastructure legislation before turning their attention to a trio of crossovers. Greg muses about the 2021 Mazda CX-30 before Jeremy talks about the refreshed 2022 Mitsubishi Eclipse Cross and completely redesigned Outlander. We get nostalgic as we remember the dearly departed Pontiac GTO before wrapping the podcast up by making one more suggestion to a longtime listener who is shopping for a vehicle to replace her aging Honda Pilot. Autoblog Podcast #673 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 Cars We're Driving 2021 Mazda CX-30 2022 Mitsubishi Eclipse Cross 2022 Mitsubishi Outlander News 2022 Subaru BRZ revealed with 228 horsepower New Toyota GR 86 breaks cover as the Subaru BRZ's friendly rival Toyota 86, Subaru BRZ stay the course ... thatÂ’s OK. Biden aims to juice EV sales with tax credits, rebates: Will it work? 2004-2006 Pontiac GTO | Used vehicle spotlight Spend My Money Feedback Email – Podcast@Autoblog.com Review the show on iTunes Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.