It all seems to be part of a broader push to use advanced science to find alternatives to oil in the natural world. (qteros.com)
Those searching for alternatives to oil and natural gas often have trouble acknowledging the relative physical limitations of other sources, particularly biofuels like ethanol. (exxonmobilperspectives.com)
Despite fossil fuel subsidies, wind, solar and hydrogen power have become a viable alternative to oil. (mcdonough.com)