Former Vitol oil trader sentenced to four years in US prison over Ecuador and Mexico bribery ↧ ↧ Former Vitol oil trader sentenced to four years in US prison over E... A former oil trader at Vitol, one of the world's largest energy trading companies, was sentenced on ​Friday to four years in prison in the U.S. ‌over his 2024 conviction on corruption charges stemming from more than $1 million in bribes he paid to officials in Ecuador and Mexico to win business.