Interfuel Competition Act

Interfuel Competition Act - Amends the Clayton Act to prohibit any person engaged in the production and refining of petroleum or natural gas, or both: (1) from acquiring any interest in the coal business, oil shale business, uranium business, nuclear reactor business, geothermal steam business, or solar energy business after the enactment of this Act; or (2) from owning or controlling any coal business, oil shale business, uranium business, nuclear reactor business, geothermal steam business, or solar energy business after the expiration of three years after the enactment of this Act.

Requires each person who has any interest in, owns or controls any coal business, oil shale business, uranium business, nuclear reactor business, geothermal steam business, or solar energy business, within 120 days after the enactment of this Act, to file with the Attorney General such reports concerning each such business as the Attorney General may by regulation require.

Directs the Attorney General to take appropriate enforcement action in the United States district courts.

Imposes criminal penalties of up to $100,000 in fines and/or imprisonment of up to ten years for knowing violations of the provisions of this Act.