MI HB5897

Prohibits charging excessively increased prices (more than 20% above pre-disruption levels without justification) for gasoline, propane, and home heating oil during periods of market disruption caused by weather, supply failures, emergencies, or other abnormal conditions.

Excludes products and services regulated by the Michigan Public Service Commission, Federal Energy Regulatory Commission, electric cooperatives, and municipal utilities from the pricing restrictions.

Authorizes the attorney general and local prosecutors to investigate violations, subpoena witnesses and documents, and bring class actions for actual damages or $100 per person (whichever is greater).

Provides civil penalties up to $10,000 per violation for individuals and $1,000,000 for other entities, plus potential treble damages (3x actual damages) if violations are found flagrant.

Makes violations a misdemeanor punishable by up to 1 year imprisonment and/or fines up to $10,000 for individuals, or $1,000,000 for other entities; takes effect only if Senate Bills 954 and 955 are also enacted.