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Biofuel, biodiesel, biogas alternative energy source futuristic concept with green drop and leaf in glowing low polygonal style on dark blue background. Modern abstract design vector illustration.
Abstract blue glowing light bulb with lightning.
Line icons about energy management. Sustainable development Contains such icons as saving, regulation, price rise, consumption and efficiency. Editable stroke Vector 256x256 pixel perfect
green energy supply the electric to city and industry with isometric graphic

Free stock vectorslow-energy (74)