Just received the Smoke Free packet from Sibley County Health.
"Beginning Oct. 1, 2007, no smoking is allowed in bars, restaurants private clubs or other workplaces. The law contains some minor exemptions: outdoor patios, scientific studies, theatrical productions traditional Native American ceremonies, hotel and motel guest-rooms, tobacco shops, a Washington County disabled veterans camp, locked psychiatric units, family farms that employ no more that 2 non-family persons, private homes, private cars, heavy commercial vehicles, construction equipment, farm vehicles and certain resident nursing home rooms, Local governments continue to have the authority to implement stricter regulations."http://smokefreemms.org/
Looks like you can still smoke your stogie in your tractor!