Yes, i understand that if you wanted to prevent 100% of automobile related injury/death, you could wrap your car in a billion dollars of safety gear and its not worth it. However, something so simple as leaving your drl's on is cost effective enough for the slim likely hood of running someone down. Think "law of diminishing returns" on this one. The savings in fuel for a hundred people turning off their DRLs could be acheived by one person scrapping their H2 and buying a metro (massivly conservative estimate).
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