Following a successful investor’s lead is often a recipe for failure. Read More

The solar standout's shares have thawed quickly on news that it's joining the rush to sponsor a dividend-paying investment vehicle. Read More

I hit the bull's-eye with all five, though it took the huge year-end crude slump to make that happen. Read More

The surprise bankruptcy filing by solar industry supplier GT Advanced Technologies cost some investors much too much. Here’s how to avoid the next wipeout. Read More

Hydropower, nuclear and renewable energy emit less carbon, but each has its own warts and costs. Read More

Former biofuels darling KiOR has burned through that much capital and debt in three short years by heavily hyping its inefficient technology. But it does offer some valuable investing lessons. Read More

The technologies for making fuel from organic waste have been around for a long time, but there’s a long way to go before they live up to the hype. Read More

The leading survey shows solar gaining on alternatives even as the growth rate has slowed. Read More

Technological progress has turned PV cells into a viable alternative to fossil fuels, but beware lofty valuations and pick your spots. Plus: new advice on Kinder Morgan for subscribers. Read More

The recent hype about a Navy experiment to produce fuel from seawater is all wet. Read More