Microsoft has been touting Vista's new power saving features, saying that upgrading to Vista could easily save consumers and corporations $50 to $75 per computer per year in energy costs. The question, though, is what marvelous new code makes this miracle possible. The answer? They fixed three stupid mistakes that have cost the world billions of dollars and millions of tons of CO2 in the past five years.
First, Microsoft never put power-saving options high on the list of default specs. In order for XP to run smoothly, with all its bells and whistles going, desktop machines had to run in "high-performance" mode, the equivalent of flooring your Honda at every green light. So the defaults were often set to "High Performance." Even when they weren't, consumers generally chose the setting themselves, not realizing that it had any affect on power consumption.
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How Windows XP, Wasted, $25 Billion, Energy