50.5 MB (779.9 KB compressed)
4850 x 3638 pixels
41.1 x 30.7 cm ⏐ 16.2 x 12.1 in (300dpi)
TEK IMAGE / SCIENCE PHOTO LIBRARY TEK IMAGE / SCIENCE PHOTO LIBRARY
Biofuel research. Scientist selecting from test tubes containing a range of different biofuels. Biofuels come from biological sources, such as crops or animals, and have less impact on the environment than using fossil fuels.
Model release not required. Property release not required.