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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.

119K Toyota Avalon sedans recalled over airbag woes

Toyota has issued a voluntary safety recall for 119,000 2003-2004 Avalon models because in some cases the airbags could inadvertently deploy.
The automaker says that circuits within the airbag control module could be damaged by electrical noise, which could cause the front airbags and seatbelt pre-tensioners to activate. Dealers are going to repair cars by adding an electrical noise filter to the module. Owners will be notified by first class mail.
Toyota Public Affairs Manager Cindy Knight told Autoblog that there was one reported injury caused by the sudden deployment, but there have been no accidents or crashes. The company is currently preparing the parts for dealers now, and the component takes 90 minutes to two hours to install. "We don't believe there are any other affected models," said Knight.

DoJ fines Japanese parts firms $740M in massive automotive price-fixing scandal

Nine Japanese suppliers have pleaded guilty in US court over charges of price fixing in the automotive parts industry, resulting in the Department of Justice doling out a total of $740 million of fines, according to a report from Bloomberg. The scandal, which has resulted in General Motors, Ford, Toyota and Chrysler spending up to $5 billion on inflated parts and driving up prices on 25 million vehicles has sent the DoJ hustling into investigations. "The conduct this investigation uncovered involved more than a dozen separate conspiracies aimed at the U.S. economy," Attorney General Eric Holder (pictured above) said during yesterday's press conference.
As the investigation stands, the DoJ has issued $1.6 billion in fines against 20 companies and 21 individual executives, with 17 of the execs headed to prison. Deputy Assistant Attorney General Scott Hammond said, "The breadth of the conspiracies brought to light today are as egregious as they are pervasive. They involve more than a dozen separate conspiracies operating independently but all sharing in common that they targeted US automotive manufacturers."
Big-name suppliers indicted in the investigation include Mitsubishi Electric, Mitsubishi Heavy Industries, Hitachi Automotive and Mitsuba Corporation. A list of fines and other corporations named in the investigation is available at Bloomberg.