Within the US carbon dioxide market, changes to patterns in CO2 sourcing and changes in demand regionally continued to reshape the business in 2008 as they did in 2007. (See “The Carbon Dioxide Market Update — Bubbling with Energy Again This Year,”...

In the United States, the standard shielding gas used in gas metal arc welding (GMAW) is generally a 75/25 percent argon (Ar)/carbon dioxide (CO2) gas mixture.

Although carbon dioxide (CO2) has played a role in the industrial preparation of food and beverages for decades, the provision of CO2 to today’s food and beverage manufacturers and processors is a highly advanced and exact science.

The rise in awareness of global warming has created heightened consumer, regulatory, and industry interest in clean forms of energy generation. Specifically, the impact on the natural environment from the burning of fossil fuels has brought increased attention to technologies that...