Hand turns dice and changes the expression "fossil fuel" to "green fuel".
Schlüsselwörter
fossil fuel,
change,
transportation,
fuel,
clean,
fossil,
future,
environment,
ecology,
environmental,
vehicle,
travel,
ecological,
benzene,
ethanol,
gasoline,
diesel,
gasoline,
conceptual,
conservation,
cube,
dice,
earth,
eco,
energy,
global warming,
goal,
green,
green energy,
industrial,
industry,
nature,
non-renewable,
oil,
crude oil,
pollution,
power,
renewable,
renewable energy,
replace,
sustainability,
sustainable,
symbol,
transition,
turn,
versus,
word
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