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199 photos tagged with “efficient”

Compact Fluorescent Lightbulb
Compact Fluorescent Lightbulb
Solar panel background
Solar panel background
Afro american businesswoman holding folder and smartphone
Afro american businesswoman holding folder and smartphone
alternative transport
alternative transport
Thermostat, Home Energy Saving
Thermostat, Home Energy Saving
Lightbulb and socket with pull chain
Lightbulb and socket with pull chain
worker installing thermal insulation on a building
worker installing thermal insulation on a building
Attractive business owner returning a credit card
Attractive business owner returning a credit card
Two medium power SMD RGBVW LEDs
Two medium power SMD RGBVW LEDs
Business people and technology concept - Middle age woman is working at the office with laptop
Business people and technology concept - Middle age woman is working at the office with laptop
Factories in Yokkaichi, Japan.
Factories in Yokkaichi, Japan.
Enhanced Oil Recovery
Enhanced Oil Recovery
Businessman staring at the clock
Businessman staring at the clock
some solar panels on the roof of a private house
some solar panels on the roof of a private house
Model of house, thermal insulation of roof concept
Model of house, thermal insulation of roof concept
Woman charge Electric car on gas station. Blue car and electric
Woman charge Electric car on gas station. Blue car and electric
Rear View Of Couple Outdoors Spending Vacation In Eco Lodge
Rear View Of Couple Outdoors Spending Vacation In Eco Lodge
Solar panel
Solar panel
light bulbs isolated on white background
light bulbs isolated on white background
Young successful master of solar panel installation
Young successful master of solar panel installation
Hybrid car
Hybrid car
EV electric car pluged charging at a recharge station in the city
EV electric car pluged charging at a recharge station in the city
Unique glowing light bulb
Unique glowing light bulb
Energy Saving Lamp And Glow Lamps Concept
Energy Saving Lamp And Glow Lamps Concept
Overworked and efficient worker
Overworked and efficient worker
Halogen lamp isolated on white background
Halogen lamp isolated on white background
by mkos83
Clean Wind Energy
Clean Wind Energy
Solar panels with blue sky.
Solar panels with blue sky.
by RK1979
Eco bulb.
Eco bulb.
Calculator and money next to a light bulb, the concept of energy saving
Calculator and money next to a light bulb, the concept of energy saving
Fluorescent Tube
Fluorescent Tube
Contemporary design living houses. Modern luxury apartments buildings.
Contemporary design living houses. Modern luxury apartments buildings.
Smiling young business woman sending messages with mobile phone while sitting in the office.
Smiling young business woman sending messages with mobile phone while sitting in the office.
White lamp against a white background
White lamp against a white background
white energy saving bulb
white energy saving bulb
low-energy light bulb
low-energy light bulb
Chinese Business Woman Working In Taxi Going To Work
Chinese Business Woman Working In Taxi Going To Work
Electric car battery charging at a charge station, closeup view
Electric car battery charging at a charge station, closeup view
by rawf8
Fluorescent Light Bulb energy saving isolated on white
Fluorescent Light Bulb energy saving isolated on white
light bulb with two painting brushes inside on white
light bulb with two painting brushes inside on white
Charging an electric car with the power cable supply
Charging an electric car with the power cable supply
Digital electric meter with lcd screen isolated on white. Electricity consumption concept.
Digital electric meter with lcd screen isolated on white. Electricity consumption concept.
light bulb idea concept with dummy (clipping path)
light bulb idea concept with dummy (clipping path)
Spiral energy saving light bulb
Spiral energy saving light bulb
Trap for Cockroaches, Pest Control
Trap for Cockroaches, Pest Control
Hot air from engine of the airplane
Hot air from engine of the airplane
Energy saving lamp
Energy saving lamp
Solar panel surface
Solar panel surface
Isolated Energy Saving Bulb
Isolated Energy Saving Bulb
Young businesswoman working in a bright office
Young businesswoman working in a bright office
alternative transport vehicle
alternative transport vehicle
Young student attending class
Young student attending class
alternative transport vehicle
alternative transport vehicle
Solar cell detail
Solar cell detail
Solar panel detail
Solar panel detail
Enhanced Oil Recovery
Enhanced Oil Recovery
Handsome businessman rolling up his sleeves
Handsome businessman rolling up his sleeves
solar panel
solar panel
solar panel
solar panel
solar panel
solar panel
4 pages