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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 takes aim at Musk's criticism of hydrogen 'fool cells'

Tesla's Elon Musk has called hydrogen fuel cell cars "a load of rubbish" and "fool cells," and he's nowhere near alone in his disdain for the technology. Toyota has been fighting back waves of condescension for years now, and did so again when Senior VP Bob Carter took the stage at the recent J.D. Power Automotive Summit this month. His target was comments that Musk made at the Automotive News World Congress at the Detroit Auto Show, when Musk said an FCEV was an "extremely silly way" to store energy, that "the best-case hydrogen fuel cell doesn't win against the current-case battery" and that hydrogen's failings will become obvious in the next few years. Carter's response was that the fuel cell initiative isn't about the next few years. "This is not a 24-to-36-month play, but when you start looking into the 2020s," then you can see the necessity of hydrogen fuel cells, which Toyota considers an extension of EV technology, he said. The Toyota Mirai will begin its defense of the FCEV industry in the US later this year. The Hyundai Tucson Fuel Cell is already available in California and Honda's hydrogen car will arrive in 2016. Until then, we can let some more of Carter's words ring in our ears: "If I was in a position where I had all my eggs in one basket," he said of Musk's BEV-only focus, "I would perhaps be making those same comments." News Source: Automotive News - sub. req. Green Tesla Toyota Electric Future Vehicles Hydrogen Cars toyota mirai fcev bob carter

Junkyard Gem: 1992 Lexus SC 400

After Toyota stunned the automotive world with the Lexus LS 400 in 1989, offering a majestically engineered luxury sedan with an all-new DOHC V8 at less than half the cost of its Mercedes-Benz 560 SEL rival, what could be done to follow that (other than a money-printing Lexus-badged Camry, that is)? Clearly, the missing piece of the Lexus branding puzzle at the time was a sports coupe, something to extract the money of car shoppers considering, say, a new Mercedes-Benz 300 CE or Acura Legend coupe. That car turned out to be the Lexus SC, styled in California and known as the third-generation Toyota Soarer in Japan. Here's one of the very first SCs sold in the United States, found in a Denver-area self-service yard last month. These cars had intimidatingly good build quality (I know, because I dismantled a '92 SC 400 down to its smallest components a while back), clearly designed to last at least a quarter-million miles with routine maintenance. This one got hit hard in the right rear, however, and it wasn't worth repairing the damage to a non-SUV pushing three decades of age. Americans could buy a six-cylinder version, the SC 300, which came standard with a five-speed manual transmission (almost all buyers "upgraded" to the automatic, of course). This car is the SC 400, which means it has the same 1UZ-FE V8 engine as the LS 400. That's 250 super-smooth horses and six-bolt main bearing caps keeping the crankshaft from going anywhere it shouldn't. The SC 400 never was available with a manual transmission, nor was its SC 430 successor. This one has the mandatory Aisin-Warner four-speed automatic. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Lexus SC400 articulated door hinge operation The complex door hinges offered good clearance in tight parking spaces. These cars were very quiet and comfortable and they could cruise all day at triple-digit speeds, but a curb weight pushing 3,600 pounds meant that the SC 400 wasn't going to beat its Porsche 928 rival on a race track. Actually, the 1992 928S4 cost more than twice as much as the 1992 Lexus SC 400 ($80,920 versus $37,500) and had both a more powerful (326hp) V8 and available manual transmission; perhaps the 1992 Cadillac Eldorado Touring Coupe ($32,470, 200hp V8, automatic) was a more realistic sales rival for today's Junkyard Gem.