National Petroleum and National Gas Conservation and Coal Substitution Act

National Petroleum and Natural Gas Conservation and Coal Substitution Act - Requires new electric powerplants and major industrial installations which become operational after January 1, 1979, and which utilize fossile energy resources as boiler fuel to be capable of utilizing coal as their primary energy source, in conformance with applicable environmental requirements.

Requires that no later than January 1, 1980, existing electric powerplants and major industrial installations which utilize fossil energy resources as boiler fuel (and not scheduled for retirement prior to January 1, 1985) must acquire the capability, to the maximum extent practicable, to utilize coal as their primary energy source in conformance with applicable environmental requirements.

Requires that, by January 1, 1985, to the maximum extent practicable, electric powerplants and major industrial installations which utilize fossil energy resources as boiler fuel utilize coal as their primary energy sources in conformance with applicable environmental requirements.

Provides civil and criminal penalties for violations of this Act. Authorizes to be appropriated such sums as are necessary to carry out the provisions of this Act.