Toyotaannounced over the weekend that the consulting company Exponent Inc which it had hired to look into the possibility of electronics being the cause of reported sudden unintended acceleration in its vehicles could not find any problems.

According to this report in the Wall Street Journal,Toyota hired Exponent in December "to understand customer reports and claims of unintended acceleration in vehicles."  Exponent bought six Toyota and Lexus vehicles all equipped with the ETCS-i system (Electronic Throttle Control System with intelligence) for its testing, the WSJ says.

In a press release, Toyota said that, "The interim report, dated February 4, 2010, notes that Exponent was unable to induce unintended acceleration in any of the ETCS-i equipped Toyota and Lexus vehicles it tested. In all cases, the vehicle either behaved normally or entered a fail-safe mode where engine power was significantly reduced or shut off."
 
Toyota also said that it had given the report to Congress in anticipation of the up-coming hearings in front of the House Oversight and Government Reform Committee and Senate Commerce, Science and Transportation Committee.

Toyota's attorney sent a letter to the House committee late last week saying that Toyota had carried out exhaustive tests and doesn't think there are any electronic problems with its vehicles, but promised to look into the problem again, says this AP news report.

The letter also says that Toyota is considering expanding brake override capability to additional models beyond those listed in its recalls.

Toyota promises more information Wednesday about the progress of the recall of more than 400,000 Prius cars in which the anti-lock braking software is being replaced.

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Why Functional Programming Should Be the Future of Software Development

It’s hard to learn, but your code will produce fewer nasty surprises

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A plate of spaghetti made from code
Shira Inbar
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You’d expectthe longest and most costly phase in the lifecycle of a software product to be the initial development of the system, when all those great features are first imagined and then created. In fact, the hardest part comes later, during the maintenance phase. That’s when programmers pay the price for the shortcuts they took during development.

So why did they take shortcuts? Maybe they didn’t realize that they were cutting any corners. Only when their code was deployed and exercised by a lot of users did its hidden flaws come to light. And maybe the developers were rushed. Time-to-market pressures would almost guarantee that their software will contain more bugs than it would otherwise.

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