Capstone, Ballard, and FuelCell all see their technology as the future of energy, but Capstone is in the most stable long-term position today.
Capstone Turbine will likely disappoint investors when it reports earnings this Thursday: Time to cash in?
The microturbine maker has seen big moves over the past quarter, but are fundamentals finally favoring Capstone?
Solar stocks have been under pressure lately. Can Canadian Solar keep shining?
Even though shares of FuelCell Energy are up over 180% in the past year, there may still be room to grow.
One proposed bill in the U.S. House of Representatives would benefit just one company, Capstone Turbine.
Biogas may hold loads of potential for fuel cell stocks, but they aren't the panacea that many hope for.
Even though the broader stock market dropped on worldwide concerns about military conflict and economic uncertainty, these three stocks took much larger hits Wednesday. Find out what was behind these big drops.
Fuel cell companies like Plug Power and Ballard Power Systems want you to think that their products are an alternative to fossil fuels, but it's not that simple.
Three companies -- Fuel Cell Energy, Plug Power, and Ballard Power Systems -- have all seen their shares taken over by speculative traders. Do any of them make sense as real investments?