Back in 2009, President Obama’s “Cash for Clunkers” program was supposed to be a boon for the environment and the economy. During a limited time, consumers could trade in an old gas-guzzling used car for up to $4,500 cash back towards the purchase of a fuel-efficient new car. It seemed like a win for everyone: the environment, the gasping auto industry and cash-strapped consumers.

Though almost a million people poured into car dealerships eager to exchange their old jalopies for something shiny and new, recent reports indicate the entire program may have actually hurt the environment far more than it helped.