How improved pickups can save more fuel than Priuses

Larger trucks and SUVs with powerful, high-displacement engines are the low-hanging fruit for any policymaker seeking the most efficient path to reducing gasoline use and the associated emissions. Energy fellow Gabriel Collins explains why in "Seeking Scalable, Cost-effective Reductions in Gasoline Demand and Tailpipe Emissions? Focus on Pickup Trucks, Not Priuses."