Yale Environment 360: Loose pipe flanges. Leaky storage tanks. Condenser valves stuck open. Outdated compressors. Inefficient pneumatic systems. Corroded pipes. Forty separate types of equipment are known to be potential sources of methane emissions during the production and processing of natural gas and oil by hydraulic fracturing, or fracking, of underground shale formations. As the fracking boom continues unabated across the U.S., scientists, engineers, and government experts are increasingly focusing on the complex...