To meet objectives of a 2001 consent decree with the US Environmental Protection Agency, Marathon Petroleum Co. LLC, a subsidiary of Marathon Oil Co., agreed to decrease NOx emissions from each of its ...

[Editor's note: This is part four of a five-part series.] Before you test any equipment at an existing installation, before you even perform a clean and check or other maintenance, you need to check ...

The co-combustion of biomass and coal in utility boilers has been proven an effective and cost-efficient method for reducing greenhouse gas (GHG) emissions. Those benefits come with serious technical ...