Coal mining is a dirty, dangerous business. Even with modern safety equipment protecting workers from black lung, plenty of other dangers await them underground. Like, say, mixing easily ignited coal dust with hot machine surfaces. That's why GE has invented a mine-car engine that keeps its cool to prevent setting off a raging inferno.
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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/5RU5ah4sNhM/cool-running-coal-truck-could-save-more-lives-than-a-do-1453411124Tags: Joseph Gordon-Levitt USA vs Costa Rica bay bridge teresa giudice Lauren Silverman
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