For a decade, Chevron (CVX) has been embroiled in an epic legal battle in Ecuador over allegations that the country was used as a dumping ground for billions of gallons of toxic drilling waste.

十年来，雪佛龙公司在厄瓜多尔卷入了一场旷日持久的法律战争，它被控向这个国家倾倒了几十亿加仑有毒钻井废物。