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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.

Toyota urges owners of old Corolla, Matrix and RAV4 models to park them until airbags are replaced

DETROIT — Toyota and General Motors are telling the owners of about 61,000 older Corolla, RAV4, Matrix/ Pontiac Vibe models to stop driving them because their Takata airbag inflators are at risk of exploding and hurling shrapnel. The urgent warning Monday covers: Certain Corolla compact cars and Matrix hatchbacks from the 2003 and 2004 model years. RAV4 small SUVs from 2004 and 2005. Also covered are about 11,000 Pontiac Vibes from 2003 and 2004, which are essentially the same as the Matrix and were made at the same California factory. Most of the vehicles are in the U.S. “If the airbag deploys, a part inside is more likely to explode and shoot sharp metal fragments, which could cause serious injury or death to the driver or passengers,” Toyota said in a statement. Owners can go to nhtsa.gov/recalls and enter their 17-digit vehicle identification number to see if their cars are affected. If you're not the original owner of the vehicle, the manufacturer's recall letter might not reach you, so be sure to do the VIN check. The recalled RAV4s have Takata driver's airbags while the Corolla and Matrix models have them on the passenger side. The Corolla and Matrix also are under a separate recall because their airbags can be deployed without a crash, the company said. Both companies said owners should contact a local dealer instead of driving the cars in for repairs. Dealers will provide options such as mobile repair, towing the car to a dealer, or vehicle pickup and delivery. Takata used volatile ammonium nitrate to create a small explosion to inflate airbags in a crash. But the chemical propellant can deteriorate over time when exposed to high temperatures and humidity. It can explode with too much force, blowing apart a metal canister and spewing shrapnel. At least 26 people have been killed in the U.S. by Takata inflators since May 2009, and at least 30 have died worldwide including people in Malaysia and Australia. In addition, about 400 people have been injured. The exploding airbags sent Takata of Japan into bankruptcy. The potential for a dangerous malfunction led to the largest series of auto recalls in U.S. history. About 100 million inflators were recalled worldwide. Recalls Pontiac Toyota Takata airbag recall

Toyota recalls 1.37 million more vehicles for Takata airbags

Toyota is expanding its passenger-side Takata airbag inflator recall campaign by an additional 1.37 million vehicles in the United States. The models covered under this broadened recall are the 2003-2007 Corolla, Matrix, and Lexus SC430; the 2005-2006 Tundra; and the 2005-2007 Sequoia. In total, Toyota says that this expansion brings the number of its vehicles covered under the Takata inflator recall in the US to 2.915 million. For these latest models, owners will be notified by mail soon. The move is similar to a recent decision by Honda to broaden its recall list. As with millions of other vehicles covered under these recalls, it's possible for exposure to moisture to cause the inflator to ignite too quickly in an airbag deployment. This can cause shrapnel to be sprayed at occupants. At least seven deaths have been potentially linked to these ruptures worldwide. TOYOTA EXPANDS TAKATA AIRBAG SAFETY RECALL TORRANCE, Calif., June 16, 2015 – Toyota Motor Sales, USA, Inc. today announced that it is expanding its recalls involving Takata front passenger airbag inflators. Based on recent information from Takata and the National Highway Traffic Safety Administration (NHTSA), Toyota will recall approximately 1,365,000 additional 2003-2007 Corolla and Corolla Matrix; 2005-2006 Tundra; 2005-2007 Sequoia; 2003-2007 Lexus SC430 vehicles. This brings the total number of Toyota and Lexus vehicles covered by Takata recalls in the U.S. to approximately 2,915,000. In the involved vehicles, the front passenger airbag inflators could potentially be susceptible to rupture when deployed and seriously injure vehicle occupants. "Toyota's focus remains on the safety and security of our customers, and we will continue to respond promptly to new developments so we can resolve issues for them as quickly, conveniently and safely as possible," said Dino Triantafyllos, chief quality officer, Toyota Motor North America. Multiple investigations into the root cause of the potential for inflator rupture are taking place, including by Orbital ATK, an independent engineering firm commissioned by an industry-wide joint testing initiative comprised of the ten automotive manufacturers conducting Takata-related recalls. All known owners of the affected Toyota / Lexus vehicles will be notified by first class mail to return their vehicles to a Toyota / Lexus dealer. The dealer will replace the airbag inflator with a newly manufactured one.