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The article reveals that U.S. manufacturers of sodium bicarbonate are expecting an increase in demand in response to new environmental regulations. Coal-fired power plants and other industrial facilities are expected to adopt the material as a tool for treating harmful air emissions. Particular focus is given to the National Ambient Air Quality Standard established by the U.S. Environmental Protection Agency in June 2010. A sodium bicarbonate plant was opened by Solvay Chemicals in Green River, Wyoming to produce 125,000 tons of bicarbonate annually.

The article reports on the rule issued by the U.S. Environmental Protection Agency (EPA) that will set limits on emissions of hazardous air pollutants from polyvinyl chloride (PVC) production facilities. EPA states that the equipment that controls vinyl chloride will also get rid of hazardous air pollutants. Moreover, it notes that environmental groups filed a legal action against EPA for not specifying the limits to other toxic air pollutants from the PVC plants.

The article reports that Chinese Premier Wen Jiabao talked about China's environmental emissions and energy efficiency targets in his speech at the opening session of the 2007 meeting of the National People's Congress. Jiabao admitted that China failed to meet its 2006 targets and promised to fulfill its targets for 2010, including control of economic growth and closure of small coal-fired power plants and substandard factories.

Reveals the finding in an interim report by the National Research Council that United States president George W. Bush's plan to reduce air pollution would likely curb emissions less than existing law does. Part of the Clean Air Act that requires industry to install modern pollution controls when plants built before 1970 make renovations that increase emissions.

Reports on a federal court ruling which held that the U.S. Environmental Protection Agency has failed to properly regulate hazardous air pollutants in factories that produce polyvinyl chloride. Claims of environmental groups against the agency's 2002 regulations setting emission limits for the air pollutant.

Reports on the U.S. Environmental Protection Agency's deliberations on the finality of a rule that directs diesel users to cut the sulfur content of diesel fuel and requires emissions controls on many types of diesel engines. Inevitability of an increase in diesel price.