Energy Tax Prevention Act of 2011

Energy Tax Prevention Act of 2011 - Amends the Clean Air Act to prohibit the Administrator of the Environmental Protection Agency (EPA) from promulgating any regulation concerning, taking action relating to, or taking into consideration the emission of a greenhouse gas (GHG) to address climate change. Excludes GHGs from the definition of "air pollutant" for purposes of addressing climate change.

Exempts from such prohibition: (1) implementation and enforcement of the rule, "Light-Duty Vehicle Greenhouse Gas Emission Standards and Corporate Average Fuel Economy Standards" and finalization, implementation, enforcement, and revision of the proposed rule, "Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles"; (2) implementation of the renewable fuel program; (3) statutorily authorized federal research, development, and demonstration programs addressing climate change; (4) implementation and enforcement of stratospheric ozone protection to the extent that such implementation or enforcement only involves class I or II substances; and (5) implementation and enforcement of requirements for monitoring and reporting of carbon dioxide emissions. Provides that none of such exemptions shall cause a GHG to be subject to regulations relating to prevention of significant deterioration of air quality or considered an air pollutant for purposes of air pollution prevention and control permits.

Repeals and makes ineffective specified rules and actions concerning permit requirements or emission standards for GHGs to address climate change.

Prohibits the Administrator from waiving, and invalidates waivers given by the Administrator before the enactment of this Act, the ban on states from adopting or enforcing standards relating to the control of emissions from new motor vehicles or engines with respect to GHG emissions for model year 2017 or any subsequent model year.