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3/14/2007--Seattle, WA, USA..Workers at Imperium Renewables? Seattle Biodiesel monitor production of biodiesel fuel to be used in the Seattle market. Biodiesel contains no sulfur or aromatics, and use of biodiesel in a conventional diesel  engine results in substantial reduction of unburned hydrocarbons, carbon monoxide  and particulate matter.  A U.S. Department of Energy study showed that the production  and use of biodiesel, compared to petroleum diesel, resulted in a 78.5% reduction in  carbon dioxide emissions.  Moreover, biodiesel has a positive energy balance.  For  every unit of energy needed to produce a gallon of biodiesel, 3.24 units of energy are  gained. In Seattle, man y car owners have converted to biodiesel to reduce their CO2 emissions...Imperium Renewables? Seattle Biodiesel, headquartered in Seattle, Washington, produces pure, unblended B100 biodiesel refined from a variety of oils such as canola, grown locally in Washington State, soy, and many other crops. The company's facility has a capacity to produce up to 5 million gallons per year of biodiesel. The company expects to break ground in July, 2007 on a new facility ? a 100 million gallon per year plant that will be the largest in the United States. . .COOL CITY.Seattle takes on the Global Warming Challenge.Photographs and text ©2007 Stuart Isett...In the winter of 2004 and 2005, Seattle Mayor Greg Nickels was hearing alarming reports from the nearby Cascade Mountains, the stunning snow capped peaks that sit just east of the city in Washington State, in the US Pacific Northwest. Nickels?s advisers were coming to him weekly with reports that the snow pack in the mountains was just 1 percent of normal. This was serious issue in the city, where melting snow feeds the city's reservoirs in the springtime and swells the rivers that supply its hydroelectric energy...When on February 16th, 2005, the Kyoto Protocol to fight global warming took effect with 141 nations signing on, Mayor Nickels saw an opp