2012 Cx-9 Grand Touring! Nav, Bluetooth, Heated Seats, 3rd Row on 2040-cars

Auto blog

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.

Mazda5 may not be long for this world

The concept behind building a smaller but still useful minivan like the Mazda5 always seemed like such a good idea. However, since the little people hauler's introduction, there has been the rise of the compact crossover in the US, which fulfills a similar niche for many buyers. The future is not looking good for the utilitarian Mazda. Autocar from the UK reports that company officials confirm the Mazda5 is being discontinued there, with no replacement planned. Autoblog reached out to Mazda North America, but the company would not verify future product changes in this region. Though, the model's cancellation would hardly be a surprise to follow in North America, as well. The minivan market is a tough place these days, and dealers tend to prefer more expensive models for their high margins. Even FCA US is abandoning the inexpensive portion of the segment for the next-gen Chrysler Town & Country. The Mazda5 isn't exactly a sales standout, either. Mazda sold 11,613 of them in all of 2014, which was a 16.4 percent drop from 13,884 in 2013. To compare to larger, more expensive minivans, Honda moved 122,738 units of the Odyssey last year, and Toyota did 124,502 examples of the Sienna. Related Video: Featured Gallery 2012 Mazda5 View 31 Photos News Source: AutocarImage Credit: Mazda Mazda Minivan/Van mazda5

Junkyard Gem: 1981 Mazda RX-7

The first-generation Mazda RX-7 was sold for the 1978 through 1985 model years, and for decades you'd see and hear these nimble little sports cars buzzing around American streets. Then, well, the apex seals went out, or owners tired of a 2,400-pound car that drank fuel like an Eldorado, or the floor pans were eaten by the Rust Monster... and then nearly all of them were gone. Enough of them remain, however, for a steady trickle to show up with depressing regularity in self-service wrecking yards. Here's a pretty solid '81 that I found in a Denver yard last month. The 12A Wankel engine in this car made 100 hp and 105 lb-ft of torque, which was very good for 1981 (considering that you could buy a new Camaro with a 115-horsepower V8 that year). The $9,385 RX-7 looked like an especially good value when compared to, say, the $11,299 Datsun 280ZX or the $8,997 Fiat 124 Sport Spider, being much lighter on its feet than the former and much quicker than the latter. View 12 Photos If you have ever considered getting one of these cars, move fast before all the restorable ones are gone! Auto News Mazda Automotive History mazda rx-7