燃やす
appliance
biogas
blue
burner
carbon
city
climate
closeup
co2
cook
cooker
danger
dangerous
domestic
ecological
ecology
energetic
energy
environment
expensive
fire
flame
flames
footprint
fossil
fuel
gas
greenhouse
heat
hot
ignite
ignition
inflation
international
kitchen
market
material
metal
natural
oven
power
price
propane
rise
stove
tariffs
technology
warm
waste
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