The 4 million metric tons of methane emissions from these wells are the equivalent of 21 million extra cars on the road, the EPA says.
The public comment period, which closed Monday, included a group of 50 institutional investors with $4 trillion in assets who issued a statement in support of the rule.
Companies use EPA formulas that base emissions on the equipment in use. But the Environmental Defense Fund says when you measure leaks in the field, they’re “always much higher” than the estimates.
By Staff 