"Gas leakage" refers to the unintended release or escape of gas from a container, pipeline, or system. It can be dangerous because certain gases can be harmful or flammable, posing risks to human health, safety, and the environment. Full definition
I don't recall hearing anyone discount the importance of cutting gas leakage from wells, pipelines and other gas (and oil and coal) operations. (dotearth.blogs.nytimes.com)
It was clear that there was a very wide range of views — particularly on the impact of gas leakage on climate — that resulted largely from different interpretations of the same data. (dotearth.blogs.nytimes.com)
While corporate policies at most gas and oil companies still favor investing in new drilling rather than cutting gas leakage from existing operations, plenty of companies that have pushed to stop leaks have shown it's a profitable (even more so in other countries where leakage is vastly greater). (dotearth.blogs.nytimes.com)