CARSON, CALIFORNIA - APRIL 22: An aerial view shows Marathon Petroleum Corp's Los Angeles Refinery, the state's largest producer of gasoline, as oil prices have cratered with the spread of the coronavirus pandemic on April 22, 2020 in Carson, California. Crude oil prices dropped into negative territory for the first time on April 20 with millions of barrels going unused after travel restrictions and widespread social distancing measures brought on by the coronavirus (COVID-19) pandemic all but obliterated global energy demand. Today marks the 50th anniversary of Earth Day, the annual celebration of the environmental movement. (Photo by David McNew/Getty Images)