The Biden administration plans to ease sanctions on Venezuelan oil to allow more of the country's crude to reach Europe. The U.S. will allow European companies still operating in Venezuela to immediately transfer more oil to the continent, while all…
The world's coal bosses and oil barons are among the biggest winners in 2022, as the fortunes of many tech giants have tumbled in the U.S. stock market. India's most powerful coal boss, Gautam Adani, has a net worth of $146.8 billion, pushing him pas…
As an admixture, superplasticizer is added to concrete to reduce water consumption and increase the strength of concrete. At present, the high-performance water-reducing agents used in concrete engineering are mainly polycarboxylic acid superplastici…