(PhysOrg.com) -- With gas prices topping $4 a gallon and the prospect of record-high heating costs this winter, Americans say they're driving less and cutting their electricity use to save money and improve the environment.
(PhysOrg.com) -- With gas prices topping $4 a gallon and the prospect of record-high heating costs this winter, Americans say they're driving less and cutting their electricity use to save money and improve the environment.