That is a really strange thing to assert out of the blue. Usually newspapers like to back up such assertions with evidence, but readers would look in vein to find anything in this article to support such an assertion.
In fact, a study by Charles Rivers Associates suggests that the main impact of the regulation would be to hasten the replacement of old polluting power plants. This could help to create jobs in the private sector in the next few years, a period in which all projections show that the economy will still be suffering from substantial unemployment.
In other words, if Obama was interested in an action that he could take unilaterally that would create jobs, supporting the EPA on the ozone restrictions probably would have topped the list. In nixing the regulation, Obama went the job killing route.