In 2010, generation from petroleum coke made up 37 % of all petroleum - fired generation. (eia.gov)
Human emissions of the potentially harmful trace metal vanadium into Earth's atmosphere have spiked sharply since the start of the 21st century due in large part to industry's growing use of heavy oils, tar sands, bitumen and petroleum coke for energy, a new Duke University study finds. (sciencedaily.com)
The dried algae can then be burned in the plant's kilns instead of petroleum coke, helping to reduce the plant's CO2 emissions. (cleanbreak.ca)