Chevron Donates $2.5 Million To GOP Super PAC In Single Largest Corporate Donation Post-Citizens United: Chevron, the second-largest oil company in the U.S. and eighth-largest in the world, contributed $2.5 million in October to the Congressional Leadership Fund, a super PAC to elect House Republicans. That makes Chevron’s super PAC donation the single largest from a corporation. The donation comes after House Republicans voted 109 times this Congress to enrich [...]/p