Lawnmowers under 24hp are explicitly covered by the regs [1, page 8] [1] https://ww2.arb.ca.gov/sites/default/files/barcu/regact/2021/sore21/appa.pdf https://w

Lawnmowers under 24hp are explicitly covered by the regs [1, page 8] [1] https://ww2.arb.ca.gov/sites/default/files/barcu/regact/2021/sore21/appa.pdf https://ww2.arb.ca.gov/sites/default/files/barcu/regact/2021... e: correction, cut "I couldn't find anything about "only spark ignition engines"." My pdf search feature failed me.