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Japan carmakers vouch for safety of some Kobe Steel parts

TOKYO — Four Japanese automakers on Thursday said they found no safety issues with aluminum parts supplied by Kobe Steel Ltd, allaying some concerns that falsified quality data on products from the steelmaker had compromised their vehicles. Kobe Steel shares surged after the car makers' statements, but the steelmaker still has to contend with a U.S. Justice Department probe, while checks continue at hundreds of companies involved in complex supply chains spanning the globe. Japan's third-biggest steelmaker admitted earlier this month it falsified specifications on the strength and durability of aluminum, copper and steel products, along with materials for optical disks. The falsifications stretch back for more than 10 years, a senior executive told Reuters this week. Since then, global automakers, aircraft companies and other manufacturers have scrambled to identify potential hazards in their products. Toyota, Honda, Nissan and Mazda said that hoods and other exterior parts used in their cars which were made from aluminum directly supplied by Kobe Steel were safe. Kobe Steel shares ended the day nearly 7 percent higher but are still down by more than a third since it announced the data falsification. Automakers are still making checks on other parts, including those that they received through their parts suppliers. "We confirmed that the materials satisfy applicable statutory standards, and our own internal standard, for key safety and durability requirements for vehicles," Toyota said in a statement. Toyota, one of the world's largest automakers, identified aluminum plates supplied by Kobe Steel for the hoods and rear hatches of Toyota and Lexus brand vehicles. Though outside the automaker's specifications, they were still safe to use. While Subaru and other carmakers said they were still investigating the issue, the announcements by Toyota, Honda, Nissan and Mazda suggest that Kobe Steel's cheating scandal may have a limited impact on product safety."SERIOUS SITUATION" Nonetheless, the company's fate hangs in the balance while checks are being carried out. It must report to Japan's industry ministry by around the end of next week on any safety concerns and provide a more extensive account of the problems a fortnight later. Industry leaders have reached a consensus that Kobe Steel is in a "serious situation," a senior Japanese manufacturing executive told Reuters.

Toyota will race C-HR CUV in 2016 Nurburgring 24 Hours

There won't just be traditional racecars competing in the 2016 Nurburgring 24 Hours; Toyota Gazoo Racing will take the bizarre route of prepping the C-HR crossover for the grueling event. The squad will enter more conventional machines, too, including a Lexus RC and RC F for the race that will run from May 26-29. Details about the C-HR Racing are scant at the moment. "We decided to take on the new challenge of creating ever-better cars using a crossover rather than a pure sports car," the company's announcement said. It makes no mention of the vehicle's specs, but the included photo show the CUV with a more aggressive front fascia, vents along the hood, and a big wing at the rear. The driver lineup includes Masahiko Kageyama, Kumi Sato, and another person to be announced later. Toyota will reportedly introduce the production version of the C-HR at the Geneva Motor Show, and the final one will allegedly carry over the current rakish shape and hybrid powertrain. The company also showed it with Scion badging at the 2015 LA Auto Show to suggest a likely arrival in the US. This year will mark a decade of Gazoo Racing's competition in the 24 Hours of the 'Ring. The squad notably raced the LFA there for several years, but it showed a willingness to bring weirder vehicles too like a Lexus CT 200h in 2011. Nothing has been quite as odd as racing a crossover there, though. Toyota GAZOO Racing Celebrates Decade of Participation in the 24 Hours of Nurburgring with Triple Entry for 2016 Race Toyota City, Japan, January 15, 2016-Toyota GAZOO Racing announces the entry of three vehicles-a Toyota C-HR Racing*, a Lexus RC, and a Lexus RC F-in the 44th 24 Hours of Nurburgring endurance race to be held in Germany from May 26 to 29, 2016. The 24 Hours of Nurburgring plays an important role in Toyota's motorsports activities for building ever-better human resources and vehicles under intense racing conditions. Beginning in 2007, the 2016 event marks the 10th year of Toyota's participation in the race under the banner of GAZOO racing. When asked to look back over the last ten years, team representative Akio Toyoda said, "I remember GAZOO Racing first taking on the challenge of the Nurburgring in 2007 in an Altezza like it was yesterday. There are so many memories running through my mind–the interaction with the roads of the Nurburgring, whose characteristics seem to change with each shift in the weather, the meeting and parting with new and valuable friends.

Toyota to buck engine downsizing trend, may go larger and turbo-free

Turbocharging isn't really Toyota's specialty, and the Japanese automaker isn't being shy about acknowledging it. Koei Saga, a senior managing officer in charge of drivetrain research and development, says that eschewing turbos and increasing displacement of engines using the Atkinson cycle can produce better power gains without sacrificing fuel economy, Automotive News reports.
Toyota is investing heavily in larger-displacement Atkinson-cycle engines in addition to turbocharged engines, but Saga doesn't think the automaker will use turbocharging across many product lines. He apparently remains unconvinced that the technology "makes the world better."
In Toyota's eyes then, Atkinson cycle engines do make the world better, and here's how. Their pistons complete four processes - intake, compression, power and exhaust - in one revolution of the crankshaft, and the power stroke is longer than the compression stroke. Traditional Otto cycle engines require two crankshaft revolutions to accomplish those same four operations and have equal-length compression and power strokes. Atkinson cycle engines are more efficient, but less power dense, though increasing displacement can offset that shortfall.