HI HB1147

Prohibits operation of leaf blowers and string trimmers powered by two-stroke engines beginning January 1, 2027 in Hawaii.

Establishes escalating penalties: $50 for first violation, $100 for second, $200 for third, and $500 for each subsequent violation.

Defines "string trimmer" to include devices marketed as strimmers, weed eaters, weed wackers, and whipper snappers that use rotating blades or line to cut grass and weeds.

Cites two-stroke engines as major sources of volatile organic compounds and criteria pollutants (carbon monoxide, nitrogen oxides, carbon dioxide) that cause harmful air and noise pollution.