Related by context. Frequent words. (Click for all words.) 62 leaf blowers 54 watering lawns 51 charcoal grills 50 motorized scooters 50 lawn watering 50 burning fireplaces 47 outdoor watering 46 leaf blower 46 lawn mowers 45 wood stoves 44 golf carts 44 scooters 44 wood burning stoves 43 barbecue grills 43 lawnmowers 43 fireplaces 42 mowers 42 diesel 42 carwashes 42 propane 42 cleaner burning 41 ordinance prohibiting 41 idling 41 pedicabs 41 nonpolluting 41 metered parking 41 mopeds 41 drive throughs 41 apartment dwellers 41 gasoline 41 charcoal grill 41 ordinance 40 heaters 40 SmartMeters 40 clothes dryers 40 motorized vehicles 40 space heaters 40 barbecues 40 panhandling 40 carpooling 40 kerosene heaters 40 tailpipe emissions 40 internal combustion engines 39 methyl tertiary butyl ether 39 shutoffs 39 Compressed Natural Gas 39 taxicabs 39 tanning salons 39 gasohol 39 motor scooters 38 stoves 38 diesel powered 38 garages 38 electric scooters 38 sprinkler systems 38 circulating petitions 38 speed humps 37 grills 37 ordinances 37 circulators 37 carpool 37 blowers 37 gas 37 gas guzzling SUVs 37 lawn mowing 37 combustion engines 37 compressed natural 37 carbon monoxide alarms 37 compact fluorescent bulbs 37 trash pickup 37 exhaust emissions 37 electric 37 panhandlers 37 gallon 37 electric hybrids 37 watering 36 carpool lanes 36 boilers 36 landscapers 36 Sprinklers 36 taxis 36 driveways 36 issuing citations 36 pumps 36 sprinklers 36 carpools 36 gasoline additive 36 HOV lanes 36 incandescent lights 36 stoplights 36 carwash 36 incandescent light bulb 36 hybrids 36 snowmobiles 36 AQMD 35 lawnmower 35 Carbon Monoxide 35 fluorescent bulbs 35 diesel fuel 35 mower 35 sidewalk cafes