题目选项分析

Despite what was hoped, the introduction of a sixty-five mile per hour speed limit is reducing neither congestion on rural highways, or it is not contributing to save gas for trucking companies and less pollution from the decreased amount of time trucks spend on the road.

Despite what was hoped, the introduction of a sixty-five mile per hour speed limit is not reducing congestion on rural highways, nor is it contributing to lower gas costs for truck companies or less pollution from the decreased amount of time trucks spend on the road.