By Mary Jo Foley for All About Microsoft | | Topic: Cloud On July 27, Microsoft announced it had completed a milestone in its test of using hydrogen fuel cells to replace diesel. Microsoft officials have said the company is planning to eliminate its dependency on diesel fuel by 2030, the same year it is aiming to be carbon negative. Microsoft officials noted in a blog post today that diesel fuel currently accounts for less than one percent of Microsoft overall emissions. Its use is primarily...

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