A small SUV powered by bioelectricity could travel nearly 14,000 miles on the energy produced by an acre of switchgrass, while an ethanol-powered SUV could go only 9,000 miles.

• 一辆小的生物电能的越野车能行走14，000英里，在用每英亩的柳枝稷供能下，而一辆酒精供能的越野车只能行走9，000英里。