Eco-friendly stimulus: cash for clunkers

A proposal from economist Alan Blinder (NYTimes):

Economists and members of Congress are now on the prowl for new ways to stimulate spending in our dreary economy. Here's my humble suggestion: "Cash for Clunkers," the best stimulus idea you’ve never heard of.

Cash for Clunkers is a generic name for a variety of programs under which the government buys up some of the oldest, most polluting vehicles and scraps them. If done successfully, it holds the promise of performing a remarkable public policy trifecta — stimulating the economy, improving the environment and reducing income inequality all at the same time.