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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 reports huge quarterly profit increase, raises forecast for the year

Toyota isn't just the world's largest automaker - so far its the biggest winner for quarterly profits. With an enormous $5.5 billion take during Q2, Toyota took advantage of the weak Japanese yen and strong US demand to record a 94-percent improvement in profit over the same period from last year. So far, Toyota brought in larger profits than Ford and General Motors combined.
Toyota is showing no signs of slowing down either, as it has bumped up its forecast for full-year global production, going from 9.94 million to 10.12 million vehicles, on the back of a 13-percent drop in the buying power of the Japanese yen versus the US dollar. That strong exchange rate is largely responsible for Toyota's big jump in profits, although it also managed to shift 1.3 million vehicles in the US market this year. Strong Camry sales have also helped. But while Toyota is raking in the cash, it actually saw a small drop in market share, down 0.1 percent to 14.3 percent of the US market.
As is the case with most automakers, Toyota seems flummoxed by Europe, where it recorded less than one percent of its revenue. Still, as Automotive News points out, Toyota only maintains a 4.5-percent market share in Europe and is far less dependent on the continent than other manufacturers. Toyota also struggled at home, much like Honda. With 525,777 units sold, JDM sales were down almost 51,000 units, although Toyota still saw its operating profit jump from $3.5 billion to $4.6 billion.

NHTSA investigating 561k Toyota Prius hybrids for possible steering shaft defect

The Detroit News is reporting that the National Highway Traffic Safety Administration will investigate some 561,000 Toyota Prius models for potentially defective steering shafts. The affected hybrid models are from the 2004-2009 model years. The story indicates that NHTSA is weighing whether or not to grant a defect petition, which claims that Toyota incorrectly assembled the hatchback's steering linkage.
As of this writing, there is no recall. However, a recall based on the Prius steering shaft would be the third related to steering issues for the model since 2006. Seven years ago, Toyota recalled 170K Prius models for potential cracking of the intermediate shafts, and in November of 2012, the automaker recalled 670K units to replace the steering shaft extension assembly.
We'll be monitoring NHTSA's signals to see if this investigation turns into a full-fledged recall. For now, stay tuned.