50.0 MB (3.3 MB compressed)
3413 x 5120 pixels
29.0 x 43.4 cm ⏐ 11.4 x 17.1 in (300dpi)
DAVID R. FRAZIER / SCIENCE PHOTO LIBRARY DAVID R. FRAZIER / SCIENCE PHOTO LIBRARY
Refuelling with ethanol fuel. Attendant at a fuel station pumping ethanol fuel into a motor vehicle. This is Sao Paulo, Brazil. Brazil started producing ethanol fuel in 1973, and has one of the largest ethanol fuel programs in the world. The ethanol is produced by fermenting crop residues, and as such is considered a biofuel. Ethanol and other biofuels are used in motor vehicles as an alternative to fuel obtained from oil deposits. It is thought that biofuels can reduce environmental damage if developed and controlled properly, but overuse of biofuels could be harmful if it leads to more deforestation to grow biofuel crops.
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