environmental
bill
bills
bulb
compact
consumption
dollar
dollars
efficiency
efficient
electric
electricity
energy
energyefficient
florescent
fluorescent
friendly
future
global
incandescent
kilowatt
lamp
less
light
light bulb
lighting
pennies
pollution
preserve
rating
reduce
replace
replacement
safe
save
saving
sockets
standard
star
utility
warming
watt
wattage
world