Cramer said AEP is a utility that hasn't made, but is making, the slow transition away from coal and in the meantime is delivering a terrific return for its shareholders. He said the stock remains cheap.

Executive Decision: David Steiner

In his second "Executive Decision" segment, Cramer spoke with David Steiner, president and CEO of Waste Management ( WM), which just delivered in-line numbers but offered investors a strong outlook. Like American Electric Power, Waste Management is also an unlikely environmental play, as the company operates 22 waste-to-energy facilities and is rapidly converting its fleet of trash trucks to run on natural gas.

Steiner said Waste Management now generates enough electricity from the garbage it collects to power 1.2 million homes, a figure that is eight times as big as the entire U.S. solar industry. How is that possible? Steiner explained his company generates methane gas from its landfills to generate electricity and also is working to extract as many BTUs as it can from the waste it can burn. Waste Management also composts 30% to 40% of the waste it collects and is constantly looking for new ways to use refuse.

When asked about natural gas, Steiner said there are many reasons to use U.S.-made natural gas, which is why 90% of all the trucks the company is buying are natural gas vehicles. The key sticking point, he said, is infrastructure, as America's infrastructure is built around diesel fuel and it costs money to change to natural gas. But that hasn't stopped Waste Management from trying, as it plans to build 25 nat gas fueling stations on its own this year.

Cramer said that Waste Management continues to be a leader in its space and is one company that makes green by being green.

Lightning Round

In the Lightning Round, Cramer was bullish on PPG Industries ( PPG), Celgene ( CELG), Sinclair Broadcast Group ( SBGI) and HCP ( HCP).

Cramer was bearish on Dell ( DELL).

Do Your Homework

In his "Homework" segment, Cramer followed up on TravelCenters ( TA), saying that he'd wait for a pullback before buying this stock. "Don't chase it," he said.

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