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New Tools Pinpoint Natural Gas Leaks, Maximizing a Fuel’s Green Qualities (NYT), Change Log

http://www.nytimes.com/2013/08/07/business/energy-environment/new-tools-pinpoint-natural-gas-leaks-maximizing-a-fuels-green-qualities.html

By MATTHEW L. WALD | First archived on August 6, 2013, 5:41 p.m.

Headline Date/Time EST Archived Diff
New Tools Pinpoint Natural Gas Leaks, Maximizing a Fuel’s Green Qualities August 6, 2013, 9:01 p.m. (Compare with previous)
New Tools Pinpoint Natural Gas Leaks, Maximizing a Fuel’s Green Qualities August 6, 2013, 5:54 p.m.