Ecoconception

The new labels also include options for all sorts of alternative-fuel vehicles. The electric-car sticker shows kilowatt hours per mile, charging time, and how long you can go on one charge. And these cars rate highest on the greenhouse-gas rating scale. Concern over greenhouse gas seems as though it’s not a primary driver of car decisions, but those nearly $10,000 of savings should be.

The addition of how much cash you’ll save on gas as compared to the average car should also cause some major behavioral changes in the car lot. For some gas guzzlers, that number is going to be negative. Are people really going to purchase cars that they know use more gas than average?