Before federal regulations are implemented, they must be justified with an extensive analysis of costs and effects. The new Environmental Protection Agency rule forcing a massive shift toward electric vehicles is no exception. Weighing in at 1,181 pages, it is accompanied by an additional 884 pages of “regulatory impact analysis."

The EPA analysis justifying this rule is not unique in its length, but it is unique in its dishonesty.

EPA claims that the rule will reduce total greenhouse gas emissions over 2027-2055 by 7.2 billion metric tons. But despite a long and disingenuous discussion of the purported adverse effects of greenhouse gas emissions, EPA admits that it “did not…specifically quantify changes in climate impacts resulting from this rule in terms of avoided temperature change or sea-level rise.”

The reason for that failure is obvious: The answer would be embarrassing. If we apply EPA’s own climate model, with assumptions that exaggerate the climate effects of reductions in GHG emissions, the rule would reduce global temperatures in 2100 by 0.0068 degrees Celsius — an effect far too small to be detectable.

Yet somehow, EPA claims that the rule will yield “climate benefits” of $1.6 trillion. How is that possible for a near-zero effect on temperatures? As with the entire Biden climate regulatory regime across all agencies,........

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