Update: Curiosity Rover Lands on Mars
News 8/6/2012 14 comments Curiosity carries 10 science instruments. Some of the tools are the first of their kind on Mars, including a laser-firing instrument for checking elemental composition of rocks from a distance.
The implementation of a new diesel fuel standard in the US has considerably improved the environmental performance of diesel vehicles. The Environmental Protection Agency (EPA) says that the new ultra-low sulfur diesel (ULSD) fuel has combined with other improved technologies to reduce diesel's particulate matter (PM) emissions by 99%.
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