With last week's acquisition of another 8.9 million shares, Berkshire now owns over 260 million shares of Occidental Petroleum. They're collectively worth over $12 billion, making it the ...
The technique is already being used to reduce friction in the extraction of petroleum from oil wells. It may also make it possible to attain greater efficiency in pumping oil through pipes over ...
Exxon Mobil, Occidental Petroleum and other oil companies plan to use emerging technologies to remove lithium from brine as the world moves away from fossil fuels. The vice minister stated that ...