While it is an emission from vehicles the most common
producer of sulfur dioxide in the air is from volcano eruptions.
Not exact matches
Thus, a food web is established, consisting
of primary
producers (chemoautotrophic
sulfur bacteria), the secondary
producers (tubeworms, mussels, clams, shrimp), and predators (fishes) or detritivores (crabs).
A new report evaluating air pollution trends at the nation's 100 largest electric power
producers shows that emissions
of sulfur dioxide (SO2) and nitrogen oxides (NOx) have fallen markedly in recent years, but carbon dioxide (CO2) emissions increased and will likely spike in coming years.
Besides using their technology to bring specific types
of fuel such as high - performance jet fuel or
sulfur - free gasoline to market within four or five years, officials at LS9 plan on licensing it to other companies, particularly ethanol
producers that could use it to improve the profitability and efficiency
of their production capacity.