Mazda Motor Corp. was honored today with the 2009 Technology of the Year award from a non-profit coalition of Japan-based automotive critics and journalists for the automaker's i-stop idling stop-start system, which is a little perplexing. A stop-start system automatically shuts down and restarts an automobile's internal combustion engine to reduce the amount of time the engine spends idling, thereby improving fuel economy. The technology isn't new. Daimler, Fiat, Toyota and other automakers have been putting it in some of its vehicles for a while. So why exactly did the 2009 Automotive Researchers' and Journalists' Conference of Japan decide to recognize Madza's stop-start system now? It's a good question, one we've put to spokesmen for the conference and the automaker. After waiting four hours for a response, we went ahead and posted this piece; we'll update if and when an explanation is offered. In a statement issued to the media, Mazda wrote that its i-stop system is fitted to direct injection engines and uses combustion energy to restart the engine in just 0.35 seconds, about half the time necessary for most other competing systems. This might be why Mazda received the award, but it wasn't stated. The i-stop system also suppresses noise and vibration as the engine shuts down and restarts, ensuring that drivers experience a natural driving feel with no sense of discomfort. Most other stop-start systems do that as well.
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Mazda Wins Innovation Award for Its Stop-Start System But Reason Why Isn’t Clear
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