-Almost all CO2 emissions from cars are
eliminated, greatly reducing the human impact on global warming.
-Less gasoline is needed for cars to run, which preserves Earth's remaining fuel sources.
-Reduce the chance of conflict over oil in areas like the Middle East.
-The byproducts of the chemical reaction are white magnesium oxide and black carbon (Toreki). Black carbon can be used to melt snow faster (Gunnar), and white magnesium oxide can be used to preserve books. (All Granite and Marble Corp.)